Home / 136,292,275.20-204,438,412.80-82,544,563.20

Finding the Fourth Proportional to 136,292,275.20, 204,438,412.80 and 82,544,563.20

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Solution

The fourth proportional to 136,292,275.20, 204,438,412.80 and 82,544,563.20 is: 123,816,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,292,275.20 : 204,438,412.80 = 82,544,563.20 : x
  2. Step 2: Convert to fraction form
    136,292,275.20/204,438,412.80 = 82,544,563.20/x
  3. Step 3: Cross multiply
    136,292,275.20x = 204,438,412.80 × 82,544,563.20
  4. Step 4: Simplify right side
    136,292,275.20x = 16,875,279,485,877,290
  5. Step 5: Solve for x
    x = 16,875,279,485,877,290/136,292,275.20
  6. Step 6: Final answer
    x = 123,816,844.80

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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.