Home / 65,414,145.60-98,121,218.40-45,006,811.20

Finding the Fourth Proportional to 65,414,145.60, 98,121,218.40 and 45,006,811.20

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Solution

The fourth proportional to 65,414,145.60, 98,121,218.40 and 45,006,811.20 is: 67,510,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,414,145.60 : 98,121,218.40 = 45,006,811.20 : x
  2. Step 2: Convert to fraction form
    65,414,145.60/98,121,218.40 = 45,006,811.20/x
  3. Step 3: Cross multiply
    65,414,145.60x = 98,121,218.40 × 45,006,811.20
  4. Step 4: Simplify right side
    65,414,145.60x = 4,416,123,151,242,766.50
  5. Step 5: Solve for x
    x = 4,416,123,151,242,766.50/65,414,145.60
  6. Step 6: Final answer
    x = 67,510,216.80

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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.