Home / 131,132,355.60-196,572,562.20-101,970,022.80

Finding the Fourth Proportional to 131,132,355.60, 196,572,562.20 and 101,970,022.80

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Solution

The fourth proportional to 131,132,355.60, 196,572,562.20 and 101,970,022.80 is: 152,857,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,132,355.60 : 196,572,562.20 = 101,970,022.80 : x
  2. Step 2: Convert to fraction form
    131,132,355.60/196,572,562.20 = 101,970,022.80/x
  3. Step 3: Cross multiply
    131,132,355.60x = 196,572,562.20 × 101,970,022.80
  4. Step 4: Simplify right side
    131,132,355.60x = 20,044,508,649,388,416
  5. Step 5: Solve for x
    x = 20,044,508,649,388,416/131,132,355.60
  6. Step 6: Final answer
    x = 152,857,077.55

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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.