Home / 254,667,140.70-382,000,711.05-72,914,318.70

Finding the Fourth Proportional to 254,667,140.70, 382,000,711.05 and 72,914,318.70

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Solution

The fourth proportional to 254,667,140.70, 382,000,711.05 and 72,914,318.70 is: 109,371,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,667,140.70 : 382,000,711.05 = 72,914,318.70 : x
  2. Step 2: Convert to fraction form
    254,667,140.70/382,000,711.05 = 72,914,318.70/x
  3. Step 3: Cross multiply
    254,667,140.70x = 382,000,711.05 × 72,914,318.70
  4. Step 4: Simplify right side
    254,667,140.70x = 27,853,321,589,126,312
  5. Step 5: Solve for x
    x = 27,853,321,589,126,312/254,667,140.70
  6. Step 6: Final answer
    x = 109,371,478.05

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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.