Home / 125,163,366.89-172,722,173.22-69,408,645.17

Finding the Fourth Proportional to 125,163,366.89, 172,722,173.22 and 69,408,645.17

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Solution

The fourth proportional to 125,163,366.89, 172,722,173.22 and 69,408,645.17 is: 95,782,115.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,163,366.89 : 172,722,173.22 = 69,408,645.17 : x
  2. Step 2: Convert to fraction form
    125,163,366.89/172,722,173.22 = 69,408,645.17/x
  3. Step 3: Cross multiply
    125,163,366.89x = 172,722,173.22 × 69,408,645.17
  4. Step 4: Simplify right side
    125,163,366.89x = 11,988,412,033,154,646
  5. Step 5: Solve for x
    x = 11,988,412,033,154,646/125,163,366.89
  6. Step 6: Final answer
    x = 95,782,115.26

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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.