Home / 74,861,989.20-112,292,983.80-63,902,494.80

Finding the Fourth Proportional to 74,861,989.20, 112,292,983.80 and 63,902,494.80

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Solution

The fourth proportional to 74,861,989.20, 112,292,983.80 and 63,902,494.80 is: 95,853,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,861,989.20 : 112,292,983.80 = 63,902,494.80 : x
  2. Step 2: Convert to fraction form
    74,861,989.20/112,292,983.80 = 63,902,494.80/x
  3. Step 3: Cross multiply
    74,861,989.20x = 112,292,983.80 × 63,902,494.80
  4. Step 4: Simplify right side
    74,861,989.20x = 7,175,801,813,355,984
  5. Step 5: Solve for x
    x = 7,175,801,813,355,984/74,861,989.20
  6. Step 6: Final answer
    x = 95,853,742.20

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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.