Home / 215,608,083.20-323,412,124.80-118,526,278.40

Finding the Fourth Proportional to 215,608,083.20, 323,412,124.80 and 118,526,278.40

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Solution

The fourth proportional to 215,608,083.20, 323,412,124.80 and 118,526,278.40 is: 177,789,417.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,608,083.20 : 323,412,124.80 = 118,526,278.40 : x
  2. Step 2: Convert to fraction form
    215,608,083.20/323,412,124.80 = 118,526,278.40/x
  3. Step 3: Cross multiply
    215,608,083.20x = 323,412,124.80 × 118,526,278.40
  4. Step 4: Simplify right side
    215,608,083.20x = 38,332,835,541,980,344
  5. Step 5: Solve for x
    x = 38,332,835,541,980,344/215,608,083.20
  6. Step 6: Final answer
    x = 177,789,417.60

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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.