Home / 87,575,548.80-131,363,323.20-55,326,921.60

Finding the Fourth Proportional to 87,575,548.80, 131,363,323.20 and 55,326,921.60

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Solution

The fourth proportional to 87,575,548.80, 131,363,323.20 and 55,326,921.60 is: 82,990,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,575,548.80 : 131,363,323.20 = 55,326,921.60 : x
  2. Step 2: Convert to fraction form
    87,575,548.80/131,363,323.20 = 55,326,921.60/x
  3. Step 3: Cross multiply
    87,575,548.80x = 131,363,323.20 × 55,326,921.60
  4. Step 4: Simplify right side
    87,575,548.80x = 7,267,928,283,801,861
  5. Step 5: Solve for x
    x = 7,267,928,283,801,861/87,575,548.80
  6. Step 6: Final answer
    x = 82,990,382.40

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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.