Home / 129,024,015.20-193,552,611.60-64,360,872.80

Finding the Fourth Proportional to 129,024,015.20, 193,552,611.60 and 64,360,872.80

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Solution

The fourth proportional to 129,024,015.20, 193,552,611.60 and 64,360,872.80 is: 96,549,584.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,024,015.20 : 193,552,611.60 = 64,360,872.80 : x
  2. Step 2: Convert to fraction form
    129,024,015.20/193,552,611.60 = 64,360,872.80/x
  3. Step 3: Cross multiply
    129,024,015.20x = 193,552,611.60 × 64,360,872.80
  4. Step 4: Simplify right side
    129,024,015.20x = 12,457,215,015,295,404
  5. Step 5: Solve for x
    x = 12,457,215,015,295,404/129,024,015.20
  6. Step 6: Final answer
    x = 96,549,584.17

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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.