Home / 102,446,882.73-141,377,121.20-55,403,955.18

Finding the Fourth Proportional to 102,446,882.73, 141,377,121.20 and 55,403,955.18

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Solution

The fourth proportional to 102,446,882.73, 141,377,121.20 and 55,403,955.18 is: 76,457,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,446,882.73 : 141,377,121.20 = 55,403,955.18 : x
  2. Step 2: Convert to fraction form
    102,446,882.73/141,377,121.20 = 55,403,955.18/x
  3. Step 3: Cross multiply
    102,446,882.73x = 141,377,121.20 × 55,403,955.18
  4. Step 4: Simplify right side
    102,446,882.73x = 7,832,851,686,442,227
  5. Step 5: Solve for x
    x = 7,832,851,686,442,227/102,446,882.73
  6. Step 6: Final answer
    x = 76,457,686.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.