Home / 74,635,168.20-112,002,518.70-42,287,008.20

Finding the Fourth Proportional to 74,635,168.20, 112,002,518.70 and 42,287,008.20

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Solution

The fourth proportional to 74,635,168.20, 112,002,518.70 and 42,287,008.20 is: 63,458,709.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,635,168.20 : 112,002,518.70 = 42,287,008.20 : x
  2. Step 2: Convert to fraction form
    74,635,168.20/112,002,518.70 = 42,287,008.20/x
  3. Step 3: Cross multiply
    74,635,168.20x = 112,002,518.70 × 42,287,008.20
  4. Step 4: Simplify right side
    74,635,168.20x = 4,736,251,426,687,554
  5. Step 5: Solve for x
    x = 4,736,251,426,687,554/74,635,168.20
  6. Step 6: Final answer
    x = 63,458,709.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.