Home / 87,614,765.24-120,945,604.68-54,591,330.51

Finding the Fourth Proportional to 87,614,765.24, 120,945,604.68 and 54,591,330.51

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Solution

The fourth proportional to 87,614,765.24, 120,945,604.68 and 54,591,330.51 is: 75,359,232.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,614,765.24 : 120,945,604.68 = 54,591,330.51 : x
  2. Step 2: Convert to fraction form
    87,614,765.24/120,945,604.68 = 54,591,330.51/x
  3. Step 3: Cross multiply
    87,614,765.24x = 120,945,604.68 × 54,591,330.51
  4. Step 4: Simplify right side
    87,614,765.24x = 6,602,581,478,817,683
  5. Step 5: Solve for x
    x = 6,602,581,478,817,683/87,614,765.24
  6. Step 6: Final answer
    x = 75,359,232.67

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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.