Home / 100,107,814.93-138,149,889.65-55,454,470.97

Finding the Fourth Proportional to 100,107,814.93, 138,149,889.65 and 55,454,470.97

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Solution

The fourth proportional to 100,107,814.93, 138,149,889.65 and 55,454,470.97 is: 76,527,782.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,107,814.93 : 138,149,889.65 = 55,454,470.97 : x
  2. Step 2: Convert to fraction form
    100,107,814.93/138,149,889.65 = 55,454,470.97/x
  3. Step 3: Cross multiply
    100,107,814.93x = 138,149,889.65 × 55,454,470.97
  4. Step 4: Simplify right side
    100,107,814.93x = 7,661,029,045,588,639
  5. Step 5: Solve for x
    x = 7,661,029,045,588,639/100,107,814.93
  6. Step 6: Final answer
    x = 76,527,782.08

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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.