Home / 103,244,787.60-142,479,630.36-56,203,221.12

Finding the Fourth Proportional to 103,244,787.60, 142,479,630.36 and 56,203,221.12

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Solution

The fourth proportional to 103,244,787.60, 142,479,630.36 and 56,203,221.12 is: 77,561,437.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,244,787.60 : 142,479,630.36 = 56,203,221.12 : x
  2. Step 2: Convert to fraction form
    103,244,787.60/142,479,630.36 = 56,203,221.12/x
  3. Step 3: Cross multiply
    103,244,787.60x = 142,479,630.36 × 56,203,221.12
  4. Step 4: Simplify right side
    103,244,787.60x = 8,007,814,170,218,946
  5. Step 5: Solve for x
    x = 8,007,814,170,218,946/103,244,787.60
  6. Step 6: Final answer
    x = 77,561,437.79

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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.