Home / 87,729,079.91-131,500,307.86-33,118,465.19

Finding the Fourth Proportional to 87,729,079.91, 131,500,307.86 and 33,118,465.19

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Solution

The fourth proportional to 87,729,079.91, 131,500,307.86 and 33,118,465.19 is: 49,642,471.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,729,079.91 : 131,500,307.86 = 33,118,465.19 : x
  2. Step 2: Convert to fraction form
    87,729,079.91/131,500,307.86 = 33,118,465.19/x
  3. Step 3: Cross multiply
    87,729,079.91x = 131,500,307.86 × 33,118,465.19
  4. Step 4: Simplify right side
    87,729,079.91x = 4,355,088,367,595,395.50
  5. Step 5: Solve for x
    x = 4,355,088,367,595,395.50/87,729,079.91
  6. Step 6: Final answer
    x = 49,642,471.71

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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.