Home / 124,893,379.45-172,354,904.11-68,377,182.42

Finding the Fourth Proportional to 124,893,379.45, 172,354,904.11 and 68,377,182.42

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Solution

The fourth proportional to 124,893,379.45, 172,354,904.11 and 68,377,182.42 is: 94,361,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,893,379.45 : 172,354,904.11 = 68,377,182.42 : x
  2. Step 2: Convert to fraction form
    124,893,379.45/172,354,904.11 = 68,377,182.42/x
  3. Step 3: Cross multiply
    124,893,379.45x = 172,354,904.11 × 68,377,182.42
  4. Step 4: Simplify right side
    124,893,379.45x = 11,785,142,719,461,806
  5. Step 5: Solve for x
    x = 11,785,142,719,461,806/124,893,379.45
  6. Step 6: Final answer
    x = 94,361,628.87

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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.