Home / 125,185,458.40-187,526,245.20-86,890,213.60

Finding the Fourth Proportional to 125,185,458.40, 187,526,245.20 and 86,890,213.60

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Solution

The fourth proportional to 125,185,458.40, 187,526,245.20 and 86,890,213.60 is: 130,160,449.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,185,458.40 : 187,526,245.20 = 86,890,213.60 : x
  2. Step 2: Convert to fraction form
    125,185,458.40/187,526,245.20 = 86,890,213.60/x
  3. Step 3: Cross multiply
    125,185,458.40x = 187,526,245.20 × 86,890,213.60
  4. Step 4: Simplify right side
    125,185,458.40x = 16,294,195,501,033,972
  5. Step 5: Solve for x
    x = 16,294,195,501,033,972/125,185,458.40
  6. Step 6: Final answer
    x = 130,160,449.22

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1.5x scale

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.