Home / 147,744,363.60-221,616,545.40-71,027,902.80

Finding the Fourth Proportional to 147,744,363.60, 221,616,545.40 and 71,027,902.80

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Solution

The fourth proportional to 147,744,363.60, 221,616,545.40 and 71,027,902.80 is: 106,541,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,363.60 : 221,616,545.40 = 71,027,902.80 : x
  2. Step 2: Convert to fraction form
    147,744,363.60/221,616,545.40 = 71,027,902.80/x
  3. Step 3: Cross multiply
    147,744,363.60x = 221,616,545.40 × 71,027,902.80
  4. Step 4: Simplify right side
    147,744,363.60x = 15,740,958,445,542,986
  5. Step 5: Solve for x
    x = 15,740,958,445,542,986/147,744,363.60
  6. Step 6: Final answer
    x = 106,541,854.20

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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.