Home / 87,555,503.68-120,826,621.56-47,863,207.06

Finding the Fourth Proportional to 87,555,503.68, 120,826,621.56 and 47,863,207.06

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Solution

The fourth proportional to 87,555,503.68, 120,826,621.56 and 47,863,207.06 is: 66,051,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,555,503.68 : 120,826,621.56 = 47,863,207.06 : x
  2. Step 2: Convert to fraction form
    87,555,503.68/120,826,621.56 = 47,863,207.06/x
  3. Step 3: Cross multiply
    87,555,503.68x = 120,826,621.56 × 47,863,207.06
  4. Step 4: Simplify right side
    87,555,503.68x = 5,783,149,606,086,541
  5. Step 5: Solve for x
    x = 5,783,149,606,086,541/87,555,503.68
  6. Step 6: Final answer
    x = 66,051,240.22

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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.