Home / 112,339,279.20-168,508,918.80-99,350,248.80

Finding the Fourth Proportional to 112,339,279.20, 168,508,918.80 and 99,350,248.80

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Solution

The fourth proportional to 112,339,279.20, 168,508,918.80 and 99,350,248.80 is: 149,025,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,339,279.20 : 168,508,918.80 = 99,350,248.80 : x
  2. Step 2: Convert to fraction form
    112,339,279.20/168,508,918.80 = 99,350,248.80/x
  3. Step 3: Cross multiply
    112,339,279.20x = 168,508,918.80 × 99,350,248.80
  4. Step 4: Simplify right side
    112,339,279.20x = 16,741,403,007,798,998
  5. Step 5: Solve for x
    x = 16,741,403,007,798,998/112,339,279.20
  6. Step 6: Final answer
    x = 149,025,373.20

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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.