Home / 135,549,049.60-203,181,856.80-74,043,611.20

Finding the Fourth Proportional to 135,549,049.60, 203,181,856.80 and 74,043,611.20

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Solution

The fourth proportional to 135,549,049.60, 203,181,856.80 and 74,043,611.20 is: 110,988,003.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,549,049.60 : 203,181,856.80 = 74,043,611.20 : x
  2. Step 2: Convert to fraction form
    135,549,049.60/203,181,856.80 = 74,043,611.20/x
  3. Step 3: Cross multiply
    135,549,049.60x = 203,181,856.80 × 74,043,611.20
  4. Step 4: Simplify right side
    135,549,049.60x = 15,044,318,407,793,278
  5. Step 5: Solve for x
    x = 15,044,318,407,793,278/135,549,049.60
  6. Step 6: Final answer
    x = 110,988,003.62

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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.