Home / 128,280,926.60-192,197,441.10-110,365,022.60

Finding the Fourth Proportional to 128,280,926.60, 192,197,441.10 and 110,365,022.60

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Solution

The fourth proportional to 128,280,926.60, 192,197,441.10 and 110,365,022.60 is: 165,354,862.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,280,926.60 : 192,197,441.10 = 110,365,022.60 : x
  2. Step 2: Convert to fraction form
    128,280,926.60/192,197,441.10 = 110,365,022.60/x
  3. Step 3: Cross multiply
    128,280,926.60x = 192,197,441.10 × 110,365,022.60
  4. Step 4: Simplify right side
    128,280,926.60x = 21,211,874,930,663,668
  5. Step 5: Solve for x
    x = 21,211,874,930,663,668/128,280,926.60
  6. Step 6: Final answer
    x = 165,354,862.12

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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.