Home / 254,667,121.20-382,000,681.80-72,914,299.20

Finding the Fourth Proportional to 254,667,121.20, 382,000,681.80 and 72,914,299.20

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Solution

The fourth proportional to 254,667,121.20, 382,000,681.80 and 72,914,299.20 is: 109,371,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,667,121.20 : 382,000,681.80 = 72,914,299.20 : x
  2. Step 2: Convert to fraction form
    254,667,121.20/382,000,681.80 = 72,914,299.20/x
  3. Step 3: Cross multiply
    254,667,121.20x = 382,000,681.80 × 72,914,299.20
  4. Step 4: Simplify right side
    254,667,121.20x = 27,853,312,007,369,196
  5. Step 5: Solve for x
    x = 27,853,312,007,369,196/254,667,121.20
  6. Step 6: Final answer
    x = 109,371,448.80

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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.