Home / 91,448,982.71-126,199,721.10-49,633,048.65

Finding the Fourth Proportional to 91,448,982.71, 126,199,721.10 and 49,633,048.65

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Solution

The fourth proportional to 91,448,982.71, 126,199,721.10 and 49,633,048.65 is: 68,493,674.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,448,982.71 : 126,199,721.10 = 49,633,048.65 : x
  2. Step 2: Convert to fraction form
    91,448,982.71/126,199,721.10 = 49,633,048.65/x
  3. Step 3: Cross multiply
    91,448,982.71x = 126,199,721.10 × 49,633,048.65
  4. Step 4: Simplify right side
    91,448,982.71x = 6,263,676,896,972,731
  5. Step 5: Solve for x
    x = 6,263,676,896,972,731/91,448,982.71
  6. Step 6: Final answer
    x = 68,493,674.96

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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.