Home / 66,213,039.96-99,255,122.72-31,660,517.61

Finding the Fourth Proportional to 66,213,039.96, 99,255,122.72 and 31,660,517.61

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Solution

The fourth proportional to 66,213,039.96, 99,255,122.72 and 31,660,517.61 is: 47,459,965.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,213,039.96 : 99,255,122.72 = 31,660,517.61 : x
  2. Step 2: Convert to fraction form
    66,213,039.96/99,255,122.72 = 31,660,517.61/x
  3. Step 3: Cross multiply
    66,213,039.96x = 99,255,122.72 × 31,660,517.61
  4. Step 4: Simplify right side
    66,213,039.96x = 3,142,468,561,132,543.50
  5. Step 5: Solve for x
    x = 3,142,468,561,132,543.50/66,213,039.96
  6. Step 6: Final answer
    x = 47,459,965.03

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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.