Home / 83,357,981-125,025,620.94-21,941,996.36

Finding the Fourth Proportional to 83,357,981, 125,025,620.94 and 21,941,996.36

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Solution

The fourth proportional to 83,357,981, 125,025,620.94 and 21,941,996.36 is: 32,910,006.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,357,981 : 125,025,620.94 = 21,941,996.36 : x
  2. Step 2: Convert to fraction form
    83,357,981/125,025,620.94 = 21,941,996.36/x
  3. Step 3: Cross multiply
    83,357,981x = 125,025,620.94 × 21,941,996.36
  4. Step 4: Simplify right side
    83,357,981x = 2,743,311,719,572,219.50
  5. Step 5: Solve for x
    x = 2,743,311,719,572,219.50/83,357,981
  6. Step 6: Final answer
    x = 32,910,006.78

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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.