Home / 63,154,850.55-87,161,255.78-38,379,085.71

Finding the Fourth Proportional to 63,154,850.55, 87,161,255.78 and 38,379,085.71

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Solution

The fourth proportional to 63,154,850.55, 87,161,255.78 and 38,379,085.71 is: 52,967,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,154,850.55 : 87,161,255.78 = 38,379,085.71 : x
  2. Step 2: Convert to fraction form
    63,154,850.55/87,161,255.78 = 38,379,085.71/x
  3. Step 3: Cross multiply
    63,154,850.55x = 87,161,255.78 × 38,379,085.71
  4. Step 4: Simplify right side
    63,154,850.55x = 3,345,169,305,979,958
  5. Step 5: Solve for x
    x = 3,345,169,305,979,958/63,154,850.55
  6. Step 6: Final answer
    x = 52,967,733.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.