Home / 52,287,213.67-78,279,363.27-39,387,690.90

Finding the Fourth Proportional to 52,287,213.67, 78,279,363.27 and 39,387,690.90

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Solution

The fourth proportional to 52,287,213.67, 78,279,363.27 and 39,387,690.90 is: 58,967,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,287,213.67 : 78,279,363.27 = 39,387,690.90 : x
  2. Step 2: Convert to fraction form
    52,287,213.67/78,279,363.27 = 39,387,690.90/x
  3. Step 3: Cross multiply
    52,287,213.67x = 78,279,363.27 × 39,387,690.90
  4. Step 4: Simplify right side
    52,287,213.67x = 3,083,243,364,204,764.50
  5. Step 5: Solve for x
    x = 3,083,243,364,204,764.50/52,287,213.67
  6. Step 6: Final answer
    x = 58,967,444.39

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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.