Home / 91,448,983.13-126,199,721.69-49,633,049.07

Finding the Fourth Proportional to 91,448,983.13, 126,199,721.69 and 49,633,049.07

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Solution

The fourth proportional to 91,448,983.13, 126,199,721.69 and 49,633,049.07 is: 68,493,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,448,983.13 : 126,199,721.69 = 49,633,049.07 : x
  2. Step 2: Convert to fraction form
    91,448,983.13/126,199,721.69 = 49,633,049.07/x
  3. Step 3: Cross multiply
    91,448,983.13x = 126,199,721.69 × 49,633,049.07
  4. Step 4: Simplify right side
    91,448,983.13x = 6,263,676,979,011,948
  5. Step 5: Solve for x
    x = 6,263,676,979,011,948/91,448,983.13
  6. Step 6: Final answer
    x = 68,493,675.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.