Home / 102,227,963.68-141,073,883.04-55,818,190.72

Finding the Fourth Proportional to 102,227,963.68, 141,073,883.04 and 55,818,190.72

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Solution

The fourth proportional to 102,227,963.68, 141,073,883.04 and 55,818,190.72 is: 77,028,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,227,963.68 : 141,073,883.04 = 55,818,190.72 : x
  2. Step 2: Convert to fraction form
    102,227,963.68/141,073,883.04 = 55,818,190.72/x
  3. Step 3: Cross multiply
    102,227,963.68x = 141,073,883.04 × 55,818,190.72
  4. Step 4: Simplify right side
    102,227,963.68x = 7,874,488,909,137,693
  5. Step 5: Solve for x
    x = 7,874,488,909,137,693/102,227,963.68
  6. Step 6: Final answer
    x = 77,028,717.25

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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.