Home / 91,858,115.80-137,850,159.30-40,776,794.20

Finding the Fourth Proportional to 91,858,115.80, 137,850,159.30 and 40,776,794.20

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Solution

The fourth proportional to 91,858,115.80, 137,850,159.30 and 40,776,794.20 is: 61,193,151.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,858,115.80 : 137,850,159.30 = 40,776,794.20 : x
  2. Step 2: Convert to fraction form
    91,858,115.80/137,850,159.30 = 40,776,794.20/x
  3. Step 3: Cross multiply
    91,858,115.80x = 137,850,159.30 × 40,776,794.20
  4. Step 4: Simplify right side
    91,858,115.80x = 5,621,087,576,213,317
  5. Step 5: Solve for x
    x = 5,621,087,576,213,317/91,858,115.80
  6. Step 6: Final answer
    x = 61,193,151.28

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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.