Home / 146,780,375.20-220,170,562.80-98,407,434.40

Finding the Fourth Proportional to 146,780,375.20, 220,170,562.80 and 98,407,434.40

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Solution

The fourth proportional to 146,780,375.20, 220,170,562.80 and 98,407,434.40 is: 147,611,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,780,375.20 : 220,170,562.80 = 98,407,434.40 : x
  2. Step 2: Convert to fraction form
    146,780,375.20/220,170,562.80 = 98,407,434.40/x
  3. Step 3: Cross multiply
    146,780,375.20x = 220,170,562.80 × 98,407,434.40
  4. Step 4: Simplify right side
    146,780,375.20x = 21,666,420,215,552,084
  5. Step 5: Solve for x
    x = 21,666,420,215,552,084/146,780,375.20
  6. Step 6: Final answer
    x = 147,611,151.60

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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.