Home / 99,225,998.40-148,555,562.40-89,022,331.20

Finding the Fourth Proportional to 99,225,998.40, 148,555,562.40 and 89,022,331.20

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Solution

The fourth proportional to 99,225,998.40, 148,555,562.40 and 89,022,331.20 is: 133,279,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,225,998.40 : 148,555,562.40 = 89,022,331.20 : x
  2. Step 2: Convert to fraction form
    99,225,998.40/148,555,562.40 = 89,022,331.20/x
  3. Step 3: Cross multiply
    99,225,998.40x = 148,555,562.40 × 89,022,331.20
  4. Step 4: Simplify right side
    99,225,998.40x = 13,224,762,477,575,068
  5. Step 5: Solve for x
    x = 13,224,762,477,575,068/99,225,998.40
  6. Step 6: Final answer
    x = 133,279,207.98

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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.