Home / 87,264,811.20-130,896,406.80-33,412,123.20

Finding the Fourth Proportional to 87,264,811.20, 130,896,406.80 and 33,412,123.20

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Solution

The fourth proportional to 87,264,811.20, 130,896,406.80 and 33,412,123.20 is: 50,117,874.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,264,811.20 : 130,896,406.80 = 33,412,123.20 : x
  2. Step 2: Convert to fraction form
    87,264,811.20/130,896,406.80 = 33,412,123.20/x
  3. Step 3: Cross multiply
    87,264,811.20x = 130,896,406.80 × 33,412,123.20
  4. Step 4: Simplify right side
    87,264,811.20x = 4,373,526,870,438,917.50
  5. Step 5: Solve for x
    x = 4,373,526,870,438,917.50/87,264,811.20
  6. Step 6: Final answer
    x = 50,117,874.67

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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.