Home / 87,825,807.56-121,200,336.52-48,668,238.26

Finding the Fourth Proportional to 87,825,807.56, 121,200,336.52 and 48,668,238.26

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Solution

The fourth proportional to 87,825,807.56, 121,200,336.52 and 48,668,238.26 is: 67,162,568.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,825,807.56 : 121,200,336.52 = 48,668,238.26 : x
  2. Step 2: Convert to fraction form
    87,825,807.56/121,200,336.52 = 48,668,238.26/x
  3. Step 3: Cross multiply
    87,825,807.56x = 121,200,336.52 × 48,668,238.26
  4. Step 4: Simplify right side
    87,825,807.56x = 5,898,606,854,947,539
  5. Step 5: Solve for x
    x = 5,898,606,854,947,539/87,825,807.56
  6. Step 6: Final answer
    x = 67,162,568.94

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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.