Home / 124,157,221.48-171,337,012.98-71,976,505.96

Finding the Fourth Proportional to 124,157,221.48, 171,337,012.98 and 71,976,505.96

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Solution

The fourth proportional to 124,157,221.48, 171,337,012.98 and 71,976,505.96 is: 99,327,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,157,221.48 : 171,337,012.98 = 71,976,505.96 : x
  2. Step 2: Convert to fraction form
    124,157,221.48/171,337,012.98 = 71,976,505.96/x
  3. Step 3: Cross multiply
    124,157,221.48x = 171,337,012.98 × 71,976,505.96
  4. Step 4: Simplify right side
    124,157,221.48x = 12,332,239,535,923,566
  5. Step 5: Solve for x
    x = 12,332,239,535,923,566/124,157,221.48
  6. Step 6: Final answer
    x = 99,327,605.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.