Home / 102,721,285.67-141,754,854.47-55,678,169.66

Finding the Fourth Proportional to 102,721,285.67, 141,754,854.47 and 55,678,169.66

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Solution

The fourth proportional to 102,721,285.67, 141,754,854.47 and 55,678,169.66 is: 76,835,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,721,285.67 : 141,754,854.47 = 55,678,169.66 : x
  2. Step 2: Convert to fraction form
    102,721,285.67/141,754,854.47 = 55,678,169.66/x
  3. Step 3: Cross multiply
    102,721,285.67x = 141,754,854.47 × 55,678,169.66
  4. Step 4: Simplify right side
    102,721,285.67x = 7,892,650,836,322,105
  5. Step 5: Solve for x
    x = 7,892,650,836,322,105/102,721,285.67
  6. Step 6: Final answer
    x = 76,835,592.40

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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.