Home / 138,216,316,557.26-207,324,474,835.90-38,842,961,128.76

Finding the Fourth Proportional to 138,216,316,557.26, 207,324,474,835.90 and 38,842,961,128.76

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Solution

The fourth proportional to 138,216,316,557.26, 207,324,474,835.90 and 38,842,961,128.76 is: 58,264,441,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,216,316,557.26 : 207,324,474,835.90 = 38,842,961,128.76 : x
  2. Step 2: Convert to fraction form
    138,216,316,557.26/207,324,474,835.90 = 38,842,961,128.76/x
  3. Step 3: Cross multiply
    138,216,316,557.26x = 207,324,474,835.90 × 38,842,961,128.76
  4. Step 4: Simplify right side
    138,216,316,557.26x = 8,053,096,517,091,444,391,936
  5. Step 5: Solve for x
    x = 8,053,096,517,091,444,391,936/138,216,316,557.26
  6. Step 6: Final answer
    x = 58,264,441,693.14

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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.