Home / 125,185,468.40-187,526,260.20-86,890,223.60

Finding the Fourth Proportional to 125,185,468.40, 187,526,260.20 and 86,890,223.60

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Solution

The fourth proportional to 125,185,468.40, 187,526,260.20 and 86,890,223.60 is: 130,160,464.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,185,468.40 : 187,526,260.20 = 86,890,223.60 : x
  2. Step 2: Convert to fraction form
    125,185,468.40/187,526,260.20 = 86,890,223.60/x
  3. Step 3: Cross multiply
    125,185,468.40x = 187,526,260.20 × 86,890,223.60
  4. Step 4: Simplify right side
    125,185,468.40x = 16,294,198,679,649,778
  5. Step 5: Solve for x
    x = 16,294,198,679,649,778/125,185,468.40
  6. Step 6: Final answer
    x = 130,160,464.21

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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.