Home / 123,204,694.57-184,988,713.50-68,723,725.21

Finding the Fourth Proportional to 123,204,694.57, 184,988,713.50 and 68,723,725.21

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Solution

The fourth proportional to 123,204,694.57, 184,988,713.50 and 68,723,725.21 is: 103,186,924.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,204,694.57 : 184,988,713.50 = 68,723,725.21 : x
  2. Step 2: Convert to fraction form
    123,204,694.57/184,988,713.50 = 68,723,725.21/x
  3. Step 3: Cross multiply
    123,204,694.57x = 184,988,713.50 × 68,723,725.21
  4. Step 4: Simplify right side
    123,204,694.57x = 12,713,113,513,525,416
  5. Step 5: Solve for x
    x = 12,713,113,513,525,416/123,204,694.57
  6. Step 6: Final answer
    x = 103,186,924.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.