Home / 96,793,915.20-145,190,872.80-89,141,164.80

Finding the Fourth Proportional to 96,793,915.20, 145,190,872.80 and 89,141,164.80

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Solution

The fourth proportional to 96,793,915.20, 145,190,872.80 and 89,141,164.80 is: 133,711,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,793,915.20 : 145,190,872.80 = 89,141,164.80 : x
  2. Step 2: Convert to fraction form
    96,793,915.20/145,190,872.80 = 89,141,164.80/x
  3. Step 3: Cross multiply
    96,793,915.20x = 145,190,872.80 × 89,141,164.80
  4. Step 4: Simplify right side
    96,793,915.20x = 12,942,483,519,720,638
  5. Step 5: Solve for x
    x = 12,942,483,519,720,638/96,793,915.20
  6. Step 6: Final answer
    x = 133,711,747.20

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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.