Home / 104,392,374.41-156,608,727.11-39,691,148.78

Finding the Fourth Proportional to 104,392,374.41, 156,608,727.11 and 39,691,148.78

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Solution

The fourth proportional to 104,392,374.41, 156,608,727.11 and 39,691,148.78 is: 59,544,390.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,392,374.41 : 156,608,727.11 = 39,691,148.78 : x
  2. Step 2: Convert to fraction form
    104,392,374.41/156,608,727.11 = 39,691,148.78/x
  3. Step 3: Cross multiply
    104,392,374.41x = 156,608,727.11 × 39,691,148.78
  4. Step 4: Simplify right side
    104,392,374.41x = 6,215,980,287,969,430
  5. Step 5: Solve for x
    x = 6,215,980,287,969,430/104,392,374.41
  6. Step 6: Final answer
    x = 59,544,390.32

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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.