Home / 115,912,917.60-173,869,376.40-75,098,248.80

Finding the Fourth Proportional to 115,912,917.60, 173,869,376.40 and 75,098,248.80

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Solution

The fourth proportional to 115,912,917.60, 173,869,376.40 and 75,098,248.80 is: 112,647,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,912,917.60 : 173,869,376.40 = 75,098,248.80 : x
  2. Step 2: Convert to fraction form
    115,912,917.60/173,869,376.40 = 75,098,248.80/x
  3. Step 3: Cross multiply
    115,912,917.60x = 173,869,376.40 × 75,098,248.80
  4. Step 4: Simplify right side
    115,912,917.60x = 13,057,285,687,588,048
  5. Step 5: Solve for x
    x = 13,057,285,687,588,048/115,912,917.60
  6. Step 6: Final answer
    x = 112,647,373.20

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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.