Home / 123,003,819.68-169,748,814.12-68,003,219.12

Finding the Fourth Proportional to 123,003,819.68, 169,748,814.12 and 68,003,219.12

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Solution

The fourth proportional to 123,003,819.68, 169,748,814.12 and 68,003,219.12 is: 93,846,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,003,819.68 : 169,748,814.12 = 68,003,219.12 : x
  2. Step 2: Convert to fraction form
    123,003,819.68/169,748,814.12 = 68,003,219.12/x
  3. Step 3: Cross multiply
    123,003,819.68x = 169,748,814.12 × 68,003,219.12
  4. Step 4: Simplify right side
    123,003,819.68x = 11,543,465,801,962,512
  5. Step 5: Solve for x
    x = 11,543,465,801,962,512/123,003,819.68
  6. Step 6: Final answer
    x = 93,846,401.13

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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.