Home / 102,703,440.20-141,745,280.88-63,557,824.16

Finding the Fourth Proportional to 102,703,440.20, 141,745,280.88 and 63,557,824.16

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Solution

The fourth proportional to 102,703,440.20, 141,745,280.88 and 63,557,824.16 is: 87,718,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,703,440.20 : 141,745,280.88 = 63,557,824.16 : x
  2. Step 2: Convert to fraction form
    102,703,440.20/141,745,280.88 = 63,557,824.16/x
  3. Step 3: Cross multiply
    102,703,440.20x = 141,745,280.88 × 63,557,824.16
  4. Step 4: Simplify right side
    102,703,440.20x = 9,009,021,637,680,850
  5. Step 5: Solve for x
    x = 9,009,021,637,680,850/102,703,440.20
  6. Step 6: Final answer
    x = 87,718,791.31

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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.