Home / 103,668,144.15-143,061,093.66-56,625,210.09

Finding the Fourth Proportional to 103,668,144.15, 143,061,093.66 and 56,625,210.09

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Solution

The fourth proportional to 103,668,144.15, 143,061,093.66 and 56,625,210.09 is: 78,142,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,668,144.15 : 143,061,093.66 = 56,625,210.09 : x
  2. Step 2: Convert to fraction form
    103,668,144.15/143,061,093.66 = 56,625,210.09/x
  3. Step 3: Cross multiply
    103,668,144.15x = 143,061,093.66 × 56,625,210.09
  4. Step 4: Simplify right side
    103,668,144.15x = 8,100,864,484,202,667
  5. Step 5: Solve for x
    x = 8,100,864,484,202,667/103,668,144.15
  6. Step 6: Final answer
    x = 78,142,273.60

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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.