Home / 71,132,597.59-98,161,705.11-40,192,102.57

Finding the Fourth Proportional to 71,132,597.59, 98,161,705.11 and 40,192,102.57

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Solution

The fourth proportional to 71,132,597.59, 98,161,705.11 and 40,192,102.57 is: 55,464,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,132,597.59 : 98,161,705.11 = 40,192,102.57 : x
  2. Step 2: Convert to fraction form
    71,132,597.59/98,161,705.11 = 40,192,102.57/x
  3. Step 3: Cross multiply
    71,132,597.59x = 98,161,705.11 × 40,192,102.57
  4. Step 4: Simplify right side
    71,132,597.59x = 3,945,325,320,227,213
  5. Step 5: Solve for x
    x = 3,945,325,320,227,213/71,132,597.59
  6. Step 6: Final answer
    x = 55,464,378.55

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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.