Home / 105,373,667.73-157,945,198.10-54,258,753.81

Finding the Fourth Proportional to 105,373,667.73, 157,945,198.10 and 54,258,753.81

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Solution

The fourth proportional to 105,373,667.73, 157,945,198.10 and 54,258,753.81 is: 81,328,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,373,667.73 : 157,945,198.10 = 54,258,753.81 : x
  2. Step 2: Convert to fraction form
    105,373,667.73/157,945,198.10 = 54,258,753.81/x
  3. Step 3: Cross multiply
    105,373,667.73x = 157,945,198.10 × 54,258,753.81
  4. Step 4: Simplify right side
    105,373,667.73x = 8,569,909,618,908,286
  5. Step 5: Solve for x
    x = 8,569,909,618,908,286/105,373,667.73
  6. Step 6: Final answer
    x = 81,328,758.92

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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.