Home / 143,932,079.20-215,898,118.80-118,104,046.60

Finding the Fourth Proportional to 143,932,079.20, 215,898,118.80 and 118,104,046.60

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Solution

The fourth proportional to 143,932,079.20, 215,898,118.80 and 118,104,046.60 is: 177,156,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,932,079.20 : 215,898,118.80 = 118,104,046.60 : x
  2. Step 2: Convert to fraction form
    143,932,079.20/215,898,118.80 = 118,104,046.60/x
  3. Step 3: Cross multiply
    143,932,079.20x = 215,898,118.80 × 118,104,046.60
  4. Step 4: Simplify right side
    143,932,079.20x = 25,498,441,483,607,536
  5. Step 5: Solve for x
    x = 25,498,441,483,607,536/143,932,079.20
  6. Step 6: Final answer
    x = 177,156,069.90

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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.