Home / 66,959,053.76-100,469,470.08-30,578,596.64

Finding the Fourth Proportional to 66,959,053.76, 100,469,470.08 and 30,578,596.64

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Solution

The fourth proportional to 66,959,053.76, 100,469,470.08 and 30,578,596.64 is: 45,882,001.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,959,053.76 : 100,469,470.08 = 30,578,596.64 : x
  2. Step 2: Convert to fraction form
    66,959,053.76/100,469,470.08 = 30,578,596.64/x
  3. Step 3: Cross multiply
    66,959,053.76x = 100,469,470.08 × 30,578,596.64
  4. Step 4: Simplify right side
    66,959,053.76x = 3,072,215,400,210,868.50
  5. Step 5: Solve for x
    x = 3,072,215,400,210,868.50/66,959,053.76
  6. Step 6: Final answer
    x = 45,882,001.43

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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.