Home / 132,788,566.80-199,149,672.60-50,889,661.20

Finding the Fourth Proportional to 132,788,566.80, 199,149,672.60 and 50,889,661.20

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Solution

The fourth proportional to 132,788,566.80, 199,149,672.60 and 50,889,661.20 is: 76,321,776.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,788,566.80 : 199,149,672.60 = 50,889,661.20 : x
  2. Step 2: Convert to fraction form
    132,788,566.80/199,149,672.60 = 50,889,661.20/x
  3. Step 3: Cross multiply
    132,788,566.80x = 199,149,672.60 × 50,889,661.20
  4. Step 4: Simplify right side
    132,788,566.80x = 10,134,659,366,704,924
  5. Step 5: Solve for x
    x = 10,134,659,366,704,924/132,788,566.80
  6. Step 6: Final answer
    x = 76,321,776.87

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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.