Home / 108,962,031,775.80-163,443,047,663.70-66,902,515,577.40

Finding the Fourth Proportional to 108,962,031,775.80, 163,443,047,663.70 and 66,902,515,577.40

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Solution

The fourth proportional to 108,962,031,775.80, 163,443,047,663.70 and 66,902,515,577.40 is: 100,353,773,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,962,031,775.80 : 163,443,047,663.70 = 66,902,515,577.40 : x
  2. Step 2: Convert to fraction form
    108,962,031,775.80/163,443,047,663.70 = 66,902,515,577.40/x
  3. Step 3: Cross multiply
    108,962,031,775.80x = 163,443,047,663.70 × 66,902,515,577.40
  4. Step 4: Simplify right side
    108,962,031,775.80x = 10,934,751,042,338,421,735,424
  5. Step 5: Solve for x
    x = 10,934,751,042,338,421,735,424/108,962,031,775.80
  6. Step 6: Final answer
    x = 100,353,773,366.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.