Home / 89,712,215.88-123,802,907.72-48,459,108.66

Finding the Fourth Proportional to 89,712,215.88, 123,802,907.72 and 48,459,108.66

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Solution

The fourth proportional to 89,712,215.88, 123,802,907.72 and 48,459,108.66 is: 66,873,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,215.88 : 123,802,907.72 = 48,459,108.66 : x
  2. Step 2: Convert to fraction form
    89,712,215.88/123,802,907.72 = 48,459,108.66/x
  3. Step 3: Cross multiply
    89,712,215.88x = 123,802,907.72 × 48,459,108.66
  4. Step 4: Simplify right side
    89,712,215.88x = 5,999,378,557,627,432
  5. Step 5: Solve for x
    x = 5,999,378,557,627,432/89,712,215.88
  6. Step 6: Final answer
    x = 66,873,596.85

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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.