Home / 67,041,542.13-100,508,045.47-20,959,691.00

Finding the Fourth Proportional to 67,041,542.13, 100,508,045.47 and 20,959,691.00

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Solution

The fourth proportional to 67,041,542.13, 100,508,045.47 and 20,959,691.00 is: 31,422,570.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,041,542.13 : 100,508,045.47 = 20,959,691.00 : x
  2. Step 2: Convert to fraction form
    67,041,542.13/100,508,045.47 = 20,959,691.00/x
  3. Step 3: Cross multiply
    67,041,542.13x = 100,508,045.47 × 20,959,691.00
  4. Step 4: Simplify right side
    67,041,542.13x = 2,106,617,575,471,015.75
  5. Step 5: Solve for x
    x = 2,106,617,575,471,015.75/67,041,542.13
  6. Step 6: Final answer
    x = 31,422,570.37

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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.