Home / 154,936,431.90-213,805,378.98-88,809,523.38

Finding the Fourth Proportional to 154,936,431.90, 213,805,378.98 and 88,809,523.38

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Solution

The fourth proportional to 154,936,431.90, 213,805,378.98 and 88,809,523.38 is: 122,553,188.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,936,431.90 : 213,805,378.98 = 88,809,523.38 : x
  2. Step 2: Convert to fraction form
    154,936,431.90/213,805,378.98 = 88,809,523.38/x
  3. Step 3: Cross multiply
    154,936,431.90x = 213,805,378.98 × 88,809,523.38
  4. Step 4: Simplify right side
    154,936,431.90x = 18,987,953,803,294,068
  5. Step 5: Solve for x
    x = 18,987,953,803,294,068/154,936,431.90
  6. Step 6: Final answer
    x = 122,553,188.88

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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.