Home / 38,429,861.60-57,644,792.40-36,771,240.80

Finding the Fourth Proportional to 38,429,861.60, 57,644,792.40 and 36,771,240.80

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Solution

The fourth proportional to 38,429,861.60, 57,644,792.40 and 36,771,240.80 is: 55,156,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,429,861.60 : 57,644,792.40 = 36,771,240.80 : x
  2. Step 2: Convert to fraction form
    38,429,861.60/57,644,792.40 = 36,771,240.80/x
  3. Step 3: Cross multiply
    38,429,861.60x = 57,644,792.40 × 36,771,240.80
  4. Step 4: Simplify right side
    38,429,861.60x = 2,119,670,542,206,409.75
  5. Step 5: Solve for x
    x = 2,119,670,542,206,409.75/38,429,861.60
  6. Step 6: Final answer
    x = 55,156,861.20

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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.