Home / 170,829,007.20-256,287,207.12-49,660,459.20

Finding the Fourth Proportional to 170,829,007.20, 256,287,207.12 and 49,660,459.20

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Solution

The fourth proportional to 170,829,007.20, 256,287,207.12 and 49,660,459.20 is: 74,503,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,829,007.20 : 256,287,207.12 = 49,660,459.20 : x
  2. Step 2: Convert to fraction form
    170,829,007.20/256,287,207.12 = 49,660,459.20/x
  3. Step 3: Cross multiply
    170,829,007.20x = 256,287,207.12 × 49,660,459.20
  4. Step 4: Simplify right side
    170,829,007.20x = 12,727,340,392,664,710
  5. Step 5: Solve for x
    x = 12,727,340,392,664,710/170,829,007.20
  6. Step 6: Final answer
    x = 74,503,391.44

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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.