Home / 71,077,501.15-98,102,105.72-48,780,987.55

Finding the Fourth Proportional to 71,077,501.15, 98,102,105.72 and 48,780,987.55

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Solution

The fourth proportional to 71,077,501.15, 98,102,105.72 and 48,780,987.55 is: 67,328,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,077,501.15 : 98,102,105.72 = 48,780,987.55 : x
  2. Step 2: Convert to fraction form
    71,077,501.15/98,102,105.72 = 48,780,987.55/x
  3. Step 3: Cross multiply
    71,077,501.15x = 98,102,105.72 × 48,780,987.55
  4. Step 4: Simplify right side
    71,077,501.15x = 4,785,517,597,756,103
  5. Step 5: Solve for x
    x = 4,785,517,597,756,103/71,077,501.15
  6. Step 6: Final answer
    x = 67,328,163.21

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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.