Home / 140,663,086.60-210,840,665.10-49,739,873.80

Finding the Fourth Proportional to 140,663,086.60, 210,840,665.10 and 49,739,873.80

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Solution

The fourth proportional to 140,663,086.60, 210,840,665.10 and 49,739,873.80 is: 74,555,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,663,086.60 : 210,840,665.10 = 49,739,873.80 : x
  2. Step 2: Convert to fraction form
    140,663,086.60/210,840,665.10 = 49,739,873.80/x
  3. Step 3: Cross multiply
    140,663,086.60x = 210,840,665.10 × 49,739,873.80
  4. Step 4: Simplify right side
    140,663,086.60x = 10,487,188,073,982,064
  5. Step 5: Solve for x
    x = 10,487,188,073,982,064/140,663,086.60
  6. Step 6: Final answer
    x = 74,555,367.21

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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.