Home / 103,438,366.28-155,195,383.54-48,132,578.17

Finding the Fourth Proportional to 103,438,366.28, 155,195,383.54 and 48,132,578.17

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Solution

The fourth proportional to 103,438,366.28, 155,195,383.54 and 48,132,578.17 is: 72,216,472.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,438,366.28 : 155,195,383.54 = 48,132,578.17 : x
  2. Step 2: Convert to fraction form
    103,438,366.28/155,195,383.54 = 48,132,578.17/x
  3. Step 3: Cross multiply
    103,438,366.28x = 155,195,383.54 × 48,132,578.17
  4. Step 4: Simplify right side
    103,438,366.28x = 7,469,953,929,862,181
  5. Step 5: Solve for x
    x = 7,469,953,929,862,181/103,438,366.28
  6. Step 6: Final answer
    x = 72,216,472.46

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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.