Home / 78,732,084.20-118,098,126.30-49,892,552.60

Finding the Fourth Proportional to 78,732,084.20, 118,098,126.30 and 49,892,552.60

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Solution

The fourth proportional to 78,732,084.20, 118,098,126.30 and 49,892,552.60 is: 74,838,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,732,084.20 : 118,098,126.30 = 49,892,552.60 : x
  2. Step 2: Convert to fraction form
    78,732,084.20/118,098,126.30 = 49,892,552.60/x
  3. Step 3: Cross multiply
    78,732,084.20x = 118,098,126.30 × 49,892,552.60
  4. Step 4: Simplify right side
    78,732,084.20x = 5,892,216,978,384,193
  5. Step 5: Solve for x
    x = 5,892,216,978,384,193/78,732,084.20
  6. Step 6: Final answer
    x = 74,838,828.90

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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.