Home / 83,412,657.60-124,930,029.60-49,400,433.60

Finding the Fourth Proportional to 83,412,657.60, 124,930,029.60 and 49,400,433.60

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Solution

The fourth proportional to 83,412,657.60, 124,930,029.60 and 49,400,433.60 is: 73,988,742.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,412,657.60 : 124,930,029.60 = 49,400,433.60 : x
  2. Step 2: Convert to fraction form
    83,412,657.60/124,930,029.60 = 49,400,433.60/x
  3. Step 3: Cross multiply
    83,412,657.60x = 124,930,029.60 × 49,400,433.60
  4. Step 4: Simplify right side
    83,412,657.60x = 6,171,597,631,900,834
  5. Step 5: Solve for x
    x = 6,171,597,631,900,834/83,412,657.60
  6. Step 6: Final answer
    x = 73,988,742.35

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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.