Home / 71,094,680.56-106,646,006.63-19,972,713.61

Finding the Fourth Proportional to 71,094,680.56, 106,646,006.63 and 19,972,713.61

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Solution

The fourth proportional to 71,094,680.56, 106,646,006.63 and 19,972,713.61 is: 29,960,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,094,680.56 : 106,646,006.63 = 19,972,713.61 : x
  2. Step 2: Convert to fraction form
    71,094,680.56/106,646,006.63 = 19,972,713.61/x
  3. Step 3: Cross multiply
    71,094,680.56x = 106,646,006.63 × 19,972,713.61
  4. Step 4: Simplify right side
    71,094,680.56x = 2,130,010,147,971,287.50
  5. Step 5: Solve for x
    x = 2,130,010,147,971,287.50/71,094,680.56
  6. Step 6: Final answer
    x = 29,960,190.15

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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.