Home / 83,241,942.70-124,862,914.05-40,195,221.70

Finding the Fourth Proportional to 83,241,942.70, 124,862,914.05 and 40,195,221.70

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Solution

The fourth proportional to 83,241,942.70, 124,862,914.05 and 40,195,221.70 is: 60,292,832.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,241,942.70 : 124,862,914.05 = 40,195,221.70 : x
  2. Step 2: Convert to fraction form
    83,241,942.70/124,862,914.05 = 40,195,221.70/x
  3. Step 3: Cross multiply
    83,241,942.70x = 124,862,914.05 × 40,195,221.70
  4. Step 4: Simplify right side
    83,241,942.70x = 5,018,892,512,347,795
  5. Step 5: Solve for x
    x = 5,018,892,512,347,795/83,241,942.70
  6. Step 6: Final answer
    x = 60,292,832.55

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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.