Home / 143,472,032.20-215,208,048.30-132,386,566.60

Finding the Fourth Proportional to 143,472,032.20, 215,208,048.30 and 132,386,566.60

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Solution

The fourth proportional to 143,472,032.20, 215,208,048.30 and 132,386,566.60 is: 198,579,849.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,472,032.20 : 215,208,048.30 = 132,386,566.60 : x
  2. Step 2: Convert to fraction form
    143,472,032.20/215,208,048.30 = 132,386,566.60/x
  3. Step 3: Cross multiply
    143,472,032.20x = 215,208,048.30 × 132,386,566.60
  4. Step 4: Simplify right side
    143,472,032.20x = 28,490,654,619,123,968
  5. Step 5: Solve for x
    x = 28,490,654,619,123,968/143,472,032.20
  6. Step 6: Final answer
    x = 198,579,849.90

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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.