Home / 108,804,966.40-163,207,449.60-76,493,353.60

Finding the Fourth Proportional to 108,804,966.40, 163,207,449.60 and 76,493,353.60

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Solution

The fourth proportional to 108,804,966.40, 163,207,449.60 and 76,493,353.60 is: 114,740,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,804,966.40 : 163,207,449.60 = 76,493,353.60 : x
  2. Step 2: Convert to fraction form
    108,804,966.40/163,207,449.60 = 76,493,353.60/x
  3. Step 3: Cross multiply
    108,804,966.40x = 163,207,449.60 × 76,493,353.60
  4. Step 4: Simplify right side
    108,804,966.40x = 12,484,285,152,406,978
  5. Step 5: Solve for x
    x = 12,484,285,152,406,978/108,804,966.40
  6. Step 6: Final answer
    x = 114,740,030.40

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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.