Home / 128,565,283.09-192,899,025.88-41,140,270.28

Finding the Fourth Proportional to 128,565,283.09, 192,899,025.88 and 41,140,270.28

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Solution

The fourth proportional to 128,565,283.09, 192,899,025.88 and 41,140,270.28 is: 61,726,757.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,565,283.09 : 192,899,025.88 = 41,140,270.28 : x
  2. Step 2: Convert to fraction form
    128,565,283.09/192,899,025.88 = 41,140,270.28/x
  3. Step 3: Cross multiply
    128,565,283.09x = 192,899,025.88 × 41,140,270.28
  4. Step 4: Simplify right side
    128,565,283.09x = 7,935,918,061,451,915
  5. Step 5: Solve for x
    x = 7,935,918,061,451,915/128,565,283.09
  6. Step 6: Final answer
    x = 61,726,757.57

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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.