Home / 129,503,693.80-194,255,540.70-65,006,439.40

Finding the Fourth Proportional to 129,503,693.80, 194,255,540.70 and 65,006,439.40

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Solution

The fourth proportional to 129,503,693.80, 194,255,540.70 and 65,006,439.40 is: 97,509,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,503,693.80 : 194,255,540.70 = 65,006,439.40 : x
  2. Step 2: Convert to fraction form
    129,503,693.80/194,255,540.70 = 65,006,439.40/x
  3. Step 3: Cross multiply
    129,503,693.80x = 194,255,540.70 × 65,006,439.40
  4. Step 4: Simplify right side
    129,503,693.80x = 12,627,861,034,628,782
  5. Step 5: Solve for x
    x = 12,627,861,034,628,782/129,503,693.80
  6. Step 6: Final answer
    x = 97,509,659.10

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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.