Home / 83,289,320.60-124,933,980.90-49,193,115.80

Finding the Fourth Proportional to 83,289,320.60, 124,933,980.90 and 49,193,115.80

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Solution

The fourth proportional to 83,289,320.60, 124,933,980.90 and 49,193,115.80 is: 73,789,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,289,320.60 : 124,933,980.90 = 49,193,115.80 : x
  2. Step 2: Convert to fraction form
    83,289,320.60/124,933,980.90 = 49,193,115.80/x
  3. Step 3: Cross multiply
    83,289,320.60x = 124,933,980.90 × 49,193,115.80
  4. Step 4: Simplify right side
    83,289,320.60x = 6,145,891,789,768,688
  5. Step 5: Solve for x
    x = 6,145,891,789,768,688/83,289,320.60
  6. Step 6: Final answer
    x = 73,789,673.70

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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.