Home / 254,667,143.70-382,000,715.55-72,914,321.70

Finding the Fourth Proportional to 254,667,143.70, 382,000,715.55 and 72,914,321.70

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Solution

The fourth proportional to 254,667,143.70, 382,000,715.55 and 72,914,321.70 is: 109,371,482.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,667,143.70 : 382,000,715.55 = 72,914,321.70 : x
  2. Step 2: Convert to fraction form
    254,667,143.70/382,000,715.55 = 72,914,321.70/x
  3. Step 3: Cross multiply
    254,667,143.70x = 382,000,715.55 × 72,914,321.70
  4. Step 4: Simplify right side
    254,667,143.70x = 27,853,323,063,242,896
  5. Step 5: Solve for x
    x = 27,853,323,063,242,896/254,667,143.70
  6. Step 6: Final answer
    x = 109,371,482.55

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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.