Home / 89,722,237.20-134,583,355.80-75,373,330.20

Finding the Fourth Proportional to 89,722,237.20, 134,583,355.80 and 75,373,330.20

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Solution

The fourth proportional to 89,722,237.20, 134,583,355.80 and 75,373,330.20 is: 113,059,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,722,237.20 : 134,583,355.80 = 75,373,330.20 : x
  2. Step 2: Convert to fraction form
    89,722,237.20/134,583,355.80 = 75,373,330.20/x
  3. Step 3: Cross multiply
    89,722,237.20x = 134,583,355.80 × 75,373,330.20
  4. Step 4: Simplify right side
    89,722,237.20x = 10,143,995,716,137,486
  5. Step 5: Solve for x
    x = 10,143,995,716,137,486/89,722,237.20
  6. Step 6: Final answer
    x = 113,059,995.30

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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.