Home / 147,502,403.20-221,387,449.20-74,769,781.60

Finding the Fourth Proportional to 147,502,403.20, 221,387,449.20 and 74,769,781.60

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Solution

The fourth proportional to 147,502,403.20, 221,387,449.20 and 74,769,781.60 is: 112,222,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,502,403.20 : 221,387,449.20 = 74,769,781.60 : x
  2. Step 2: Convert to fraction form
    147,502,403.20/221,387,449.20 = 74,769,781.60/x
  3. Step 3: Cross multiply
    147,502,403.20x = 221,387,449.20 × 74,769,781.60
  4. Step 4: Simplify right side
    147,502,403.20x = 16,553,091,225,665,092
  5. Step 5: Solve for x
    x = 16,553,091,225,665,092/147,502,403.20
  6. Step 6: Final answer
    x = 112,222,518.86

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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.