Home / 125,188,310.50-172,560,328.83-98,683,475.21

Finding the Fourth Proportional to 125,188,310.50, 172,560,328.83 and 98,683,475.21

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Solution

The fourth proportional to 125,188,310.50, 172,560,328.83 and 98,683,475.21 is: 136,025,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,188,310.50 : 172,560,328.83 = 98,683,475.21 : x
  2. Step 2: Convert to fraction form
    125,188,310.50/172,560,328.83 = 98,683,475.21/x
  3. Step 3: Cross multiply
    125,188,310.50x = 172,560,328.83 × 98,683,475.21
  4. Step 4: Simplify right side
    125,188,310.50x = 17,028,852,932,109,054
  5. Step 5: Solve for x
    x = 17,028,852,932,109,054/125,188,310.50
  6. Step 6: Final answer
    x = 136,025,902.61

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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.