Home / 147,502,402.20-221,387,447.70-74,769,780.60

Finding the Fourth Proportional to 147,502,402.20, 221,387,447.70 and 74,769,780.60

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Solution

The fourth proportional to 147,502,402.20, 221,387,447.70 and 74,769,780.60 is: 112,222,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,502,402.20 : 221,387,447.70 = 74,769,780.60 : x
  2. Step 2: Convert to fraction form
    147,502,402.20/221,387,447.70 = 74,769,780.60/x
  3. Step 3: Cross multiply
    147,502,402.20x = 221,387,447.70 × 74,769,780.60
  4. Step 4: Simplify right side
    147,502,402.20x = 16,553,090,892,122,972
  5. Step 5: Solve for x
    x = 16,553,090,892,122,972/147,502,402.20
  6. Step 6: Final answer
    x = 112,222,517.36

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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.