Home / 254,927,443.20-382,391,164.80-82,527,982.80

Finding the Fourth Proportional to 254,927,443.20, 382,391,164.80 and 82,527,982.80

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Solution

The fourth proportional to 254,927,443.20, 382,391,164.80 and 82,527,982.80 is: 123,791,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,927,443.20 : 382,391,164.80 = 82,527,982.80 : x
  2. Step 2: Convert to fraction form
    254,927,443.20/382,391,164.80 = 82,527,982.80/x
  3. Step 3: Cross multiply
    254,927,443.20x = 382,391,164.80 × 82,527,982.80
  4. Step 4: Simplify right side
    254,927,443.20x = 31,557,971,471,486,364
  5. Step 5: Solve for x
    x = 31,557,971,471,486,364/254,927,443.20
  6. Step 6: Final answer
    x = 123,791,974.20

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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.