Home / 41,490,128.60-62,235,192.90-31,412,432.60

Finding the Fourth Proportional to 41,490,128.60, 62,235,192.90 and 31,412,432.60

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Solution

The fourth proportional to 41,490,128.60, 62,235,192.90 and 31,412,432.60 is: 47,118,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,490,128.60 : 62,235,192.90 = 31,412,432.60 : x
  2. Step 2: Convert to fraction form
    41,490,128.60/62,235,192.90 = 31,412,432.60/x
  3. Step 3: Cross multiply
    41,490,128.60x = 62,235,192.90 × 31,412,432.60
  4. Step 4: Simplify right side
    41,490,128.60x = 1,954,958,802,319,248.50
  5. Step 5: Solve for x
    x = 1,954,958,802,319,248.50/41,490,128.60
  6. Step 6: Final answer
    x = 47,118,648.90

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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.