Home / 76,015,572.90-114,023,359.35-66,449,634.90

Finding the Fourth Proportional to 76,015,572.90, 114,023,359.35 and 66,449,634.90

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Solution

The fourth proportional to 76,015,572.90, 114,023,359.35 and 66,449,634.90 is: 99,674,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,015,572.90 : 114,023,359.35 = 66,449,634.90 : x
  2. Step 2: Convert to fraction form
    76,015,572.90/114,023,359.35 = 66,449,634.90/x
  3. Step 3: Cross multiply
    76,015,572.90x = 114,023,359.35 × 66,449,634.90
  4. Step 4: Simplify right side
    76,015,572.90x = 7,576,810,598,879,001
  5. Step 5: Solve for x
    x = 7,576,810,598,879,001/76,015,572.90
  6. Step 6: Final answer
    x = 99,674,452.35

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Double scale
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Similar ratio
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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.