Home / 138,216,316,560.78-207,324,474,841.14-38,842,961,132.28

Finding the Fourth Proportional to 138,216,316,560.78, 207,324,474,841.14 and 38,842,961,132.28

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Solution

The fourth proportional to 138,216,316,560.78, 207,324,474,841.14 and 38,842,961,132.28 is: 58,264,441,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,216,316,560.78 : 207,324,474,841.14 = 38,842,961,132.28 : x
  2. Step 2: Convert to fraction form
    138,216,316,560.78/207,324,474,841.14 = 38,842,961,132.28/x
  3. Step 3: Cross multiply
    138,216,316,560.78x = 207,324,474,841.14 × 38,842,961,132.28
  4. Step 4: Simplify right side
    138,216,316,560.78x = 8,053,096,518,024,764,063,744
  5. Step 5: Solve for x
    x = 8,053,096,518,024,764,063,744/138,216,316,560.78
  6. Step 6: Final answer
    x = 58,264,441,698.41

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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.