Home / 52,487,999.80-78,731,999.70-50,574,812.20

Finding the Fourth Proportional to 52,487,999.80, 78,731,999.70 and 50,574,812.20

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Solution

The fourth proportional to 52,487,999.80, 78,731,999.70 and 50,574,812.20 is: 75,862,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,487,999.80 : 78,731,999.70 = 50,574,812.20 : x
  2. Step 2: Convert to fraction form
    52,487,999.80/78,731,999.70 = 50,574,812.20/x
  3. Step 3: Cross multiply
    52,487,999.80x = 78,731,999.70 × 50,574,812.20
  4. Step 4: Simplify right side
    52,487,999.80x = 3,981,856,098,957,956.50
  5. Step 5: Solve for x
    x = 3,981,856,098,957,956.50/52,487,999.80
  6. Step 6: Final answer
    x = 75,862,218.30

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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.