Home / 44,308,853.20-66,463,279.80-20,420,981.20

Finding the Fourth Proportional to 44,308,853.20, 66,463,279.80 and 20,420,981.20

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Solution

The fourth proportional to 44,308,853.20, 66,463,279.80 and 20,420,981.20 is: 30,631,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,308,853.20 : 66,463,279.80 = 20,420,981.20 : x
  2. Step 2: Convert to fraction form
    44,308,853.20/66,463,279.80 = 20,420,981.20/x
  3. Step 3: Cross multiply
    44,308,853.20x = 66,463,279.80 × 20,420,981.20
  4. Step 4: Simplify right side
    44,308,853.20x = 1,357,245,387,286,139.75
  5. Step 5: Solve for x
    x = 1,357,245,387,286,139.75/44,308,853.20
  6. Step 6: Final answer
    x = 30,631,471.80

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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.