Home / 87,907,986.60-131,861,979.90-57,633,426.60

Finding the Fourth Proportional to 87,907,986.60, 131,861,979.90 and 57,633,426.60

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Solution

The fourth proportional to 87,907,986.60, 131,861,979.90 and 57,633,426.60 is: 86,450,139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,907,986.60 : 131,861,979.90 = 57,633,426.60 : x
  2. Step 2: Convert to fraction form
    87,907,986.60/131,861,979.90 = 57,633,426.60/x
  3. Step 3: Cross multiply
    87,907,986.60x = 131,861,979.90 × 57,633,426.60
  4. Step 4: Simplify right side
    87,907,986.60x = 7,599,657,739,897,326
  5. Step 5: Solve for x
    x = 7,599,657,739,897,326/87,907,986.60
  6. Step 6: Final answer
    x = 86,450,139.90

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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.