Home / 83,268,003.20-124,902,004.80-81,850,827.20

Finding the Fourth Proportional to 83,268,003.20, 124,902,004.80 and 81,850,827.20

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Solution

The fourth proportional to 83,268,003.20, 124,902,004.80 and 81,850,827.20 is: 122,776,240.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,268,003.20 : 124,902,004.80 = 81,850,827.20 : x
  2. Step 2: Convert to fraction form
    83,268,003.20/124,902,004.80 = 81,850,827.20/x
  3. Step 3: Cross multiply
    83,268,003.20x = 124,902,004.80 × 81,850,827.20
  4. Step 4: Simplify right side
    83,268,003.20x = 10,223,332,411,818,370
  5. Step 5: Solve for x
    x = 10,223,332,411,818,370/83,268,003.20
  6. Step 6: Final answer
    x = 122,776,240.80

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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.