Home / 81,654,295,032.40-122,481,442,548.60-67,707,157,428.40

Finding the Fourth Proportional to 81,654,295,032.40, 122,481,442,548.60 and 67,707,157,428.40

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Solution

The fourth proportional to 81,654,295,032.40, 122,481,442,548.60 and 67,707,157,428.40 is: 101,560,736,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,654,295,032.40 : 122,481,442,548.60 = 67,707,157,428.40 : x
  2. Step 2: Convert to fraction form
    81,654,295,032.40/122,481,442,548.60 = 67,707,157,428.40/x
  3. Step 3: Cross multiply
    81,654,295,032.40x = 122,481,442,548.60 × 67,707,157,428.40
  4. Step 4: Simplify right side
    81,654,295,032.40x = 8,292,870,312,695,590,551,552
  5. Step 5: Solve for x
    x = 8,292,870,312,695,590,551,552/81,654,295,032.40
  6. Step 6: Final answer
    x = 101,560,736,142.60

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Double scale
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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.