Home / 238,658,573.25-357,986,839.28-66,134,891.25

Finding the Fourth Proportional to 238,658,573.25, 357,986,839.28 and 66,134,891.25

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Solution

The fourth proportional to 238,658,573.25, 357,986,839.28 and 66,134,891.25 is: 99,202,054.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,658,573.25 : 357,986,839.28 = 66,134,891.25 : x
  2. Step 2: Convert to fraction form
    238,658,573.25/357,986,839.28 = 66,134,891.25/x
  3. Step 3: Cross multiply
    238,658,573.25x = 357,986,839.28 × 66,134,891.25
  4. Step 4: Simplify right side
    238,658,573.25x = 23,675,420,684,383,352
  5. Step 5: Solve for x
    x = 23,675,420,684,383,352/238,658,573.25
  6. Step 6: Final answer
    x = 99,202,054.06

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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.