Home / 66,448,536.70-99,672,805.05-60,390,109.30

Finding the Fourth Proportional to 66,448,536.70, 99,672,805.05 and 60,390,109.30

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Solution

The fourth proportional to 66,448,536.70, 99,672,805.05 and 60,390,109.30 is: 90,585,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,448,536.70 : 99,672,805.05 = 60,390,109.30 : x
  2. Step 2: Convert to fraction form
    66,448,536.70/99,672,805.05 = 60,390,109.30/x
  3. Step 3: Cross multiply
    66,448,536.70x = 99,672,805.05 × 60,390,109.30
  4. Step 4: Simplify right side
    66,448,536.70x = 6,019,251,591,207,091
  5. Step 5: Solve for x
    x = 6,019,251,591,207,091/66,448,536.70
  6. Step 6: Final answer
    x = 90,585,163.95

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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.