Home / 45,928,875.73-68,869,391.90-21,661,286.76

Finding the Fourth Proportional to 45,928,875.73, 68,869,391.90 and 21,661,286.76

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Solution

The fourth proportional to 45,928,875.73, 68,869,391.90 and 21,661,286.76 is: 32,480,648.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,928,875.73 : 68,869,391.90 = 21,661,286.76 : x
  2. Step 2: Convert to fraction form
    45,928,875.73/68,869,391.90 = 21,661,286.76/x
  3. Step 3: Cross multiply
    45,928,875.73x = 68,869,391.90 × 21,661,286.76
  4. Step 4: Simplify right side
    45,928,875.73x = 1,491,799,646,986,874.75
  5. Step 5: Solve for x
    x = 1,491,799,646,986,874.75/45,928,875.73
  6. Step 6: Final answer
    x = 32,480,648.03

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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.