Home / 71,477,027.43-98,659,861.70-61,791,515.07

Finding the Fourth Proportional to 71,477,027.43, 98,659,861.70 and 61,791,515.07

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Solution

The fourth proportional to 71,477,027.43, 98,659,861.70 and 61,791,515.07 is: 85,290,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,477,027.43 : 98,659,861.70 = 61,791,515.07 : x
  2. Step 2: Convert to fraction form
    71,477,027.43/98,659,861.70 = 61,791,515.07/x
  3. Step 3: Cross multiply
    71,477,027.43x = 98,659,861.70 × 61,791,515.07
  4. Step 4: Simplify right side
    71,477,027.43x = 6,096,342,330,730,708
  5. Step 5: Solve for x
    x = 6,096,342,330,730,708/71,477,027.43
  6. Step 6: Final answer
    x = 85,290,932.62

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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.