Home / 125,005,888.36-172,491,766.61-72,084,550.65

Finding the Fourth Proportional to 125,005,888.36, 172,491,766.61 and 72,084,550.65

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Solution

The fourth proportional to 125,005,888.36, 172,491,766.61 and 72,084,550.65 is: 99,467,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,005,888.36 : 172,491,766.61 = 72,084,550.65 : x
  2. Step 2: Convert to fraction form
    125,005,888.36/172,491,766.61 = 72,084,550.65/x
  3. Step 3: Cross multiply
    125,005,888.36x = 172,491,766.61 × 72,084,550.65
  4. Step 4: Simplify right side
    125,005,888.36x = 12,433,991,486,906,526
  5. Step 5: Solve for x
    x = 12,433,991,486,906,526/125,005,888.36
  6. Step 6: Final answer
    x = 99,467,246.30

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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.