Home / 123,906,308.07-170,991,045.85-68,157,439.64

Finding the Fourth Proportional to 123,906,308.07, 170,991,045.85 and 68,157,439.64

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Solution

The fourth proportional to 123,906,308.07, 170,991,045.85 and 68,157,439.64 is: 94,057,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,906,308.07 : 170,991,045.85 = 68,157,439.64 : x
  2. Step 2: Convert to fraction form
    123,906,308.07/170,991,045.85 = 68,157,439.64/x
  3. Step 3: Cross multiply
    123,906,308.07x = 170,991,045.85 × 68,157,439.64
  4. Step 4: Simplify right side
    123,906,308.07x = 11,654,311,885,646,892
  5. Step 5: Solve for x
    x = 11,654,311,885,646,892/123,906,308.07
  6. Step 6: Final answer
    x = 94,057,454.11

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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.