Home / 138,216,316,555.76-207,324,474,833.64-38,842,961,127.27

Finding the Fourth Proportional to 138,216,316,555.76, 207,324,474,833.64 and 38,842,961,127.27

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Solution

The fourth proportional to 138,216,316,555.76, 207,324,474,833.64 and 38,842,961,127.27 is: 58,264,441,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,216,316,555.76 : 207,324,474,833.64 = 38,842,961,127.27 : x
  2. Step 2: Convert to fraction form
    138,216,316,555.76/207,324,474,833.64 = 38,842,961,127.27/x
  3. Step 3: Cross multiply
    138,216,316,555.76x = 207,324,474,833.64 × 38,842,961,127.27
  4. Step 4: Simplify right side
    138,216,316,555.76x = 8,053,096,516,694,746,071,040
  5. Step 5: Solve for x
    x = 8,053,096,516,694,746,071,040/138,216,316,555.76
  6. Step 6: Final answer
    x = 58,264,441,690.91

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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.