Home / 138,216,316,556.26-207,324,474,834.40-38,842,961,127.76

Finding the Fourth Proportional to 138,216,316,556.26, 207,324,474,834.40 and 38,842,961,127.76

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Solution

The fourth proportional to 138,216,316,556.26, 207,324,474,834.40 and 38,842,961,127.76 is: 58,264,441,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,216,316,556.26 : 207,324,474,834.40 = 38,842,961,127.76 : x
  2. Step 2: Convert to fraction form
    138,216,316,556.26/207,324,474,834.40 = 38,842,961,127.76/x
  3. Step 3: Cross multiply
    138,216,316,556.26x = 207,324,474,834.40 × 38,842,961,127.76
  4. Step 4: Simplify right side
    138,216,316,556.26x = 8,053,096,516,826,684,194,816
  5. Step 5: Solve for x
    x = 8,053,096,516,826,684,194,816/138,216,316,556.26
  6. Step 6: Final answer
    x = 58,264,441,691.65

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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.