Home / 154,936,432.90-213,805,380.36-88,809,524.38

Finding the Fourth Proportional to 154,936,432.90, 213,805,380.36 and 88,809,524.38

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Solution

The fourth proportional to 154,936,432.90, 213,805,380.36 and 88,809,524.38 is: 122,553,190.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,936,432.90 : 213,805,380.36 = 88,809,524.38 : x
  2. Step 2: Convert to fraction form
    154,936,432.90/213,805,380.36 = 88,809,524.38/x
  3. Step 3: Cross multiply
    154,936,432.90x = 213,805,380.36 × 88,809,524.38
  4. Step 4: Simplify right side
    154,936,432.90x = 18,987,954,139,656,592
  5. Step 5: Solve for x
    x = 18,987,954,139,656,592/154,936,432.90
  6. Step 6: Final answer
    x = 122,553,190.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.