Home / 124,893,245.69-172,354,719.56-68,377,048.75

Finding the Fourth Proportional to 124,893,245.69, 172,354,719.56 and 68,377,048.75

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Solution

The fourth proportional to 124,893,245.69, 172,354,719.56 and 68,377,048.75 is: 94,361,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,893,245.69 : 172,354,719.56 = 68,377,048.75 : x
  2. Step 2: Convert to fraction form
    124,893,245.69/172,354,719.56 = 68,377,048.75/x
  3. Step 3: Cross multiply
    124,893,245.69x = 172,354,719.56 × 68,377,048.75
  4. Step 4: Simplify right side
    124,893,245.69x = 11,785,107,061,646,698
  5. Step 5: Solve for x
    x = 11,785,107,061,646,698/124,893,245.69
  6. Step 6: Final answer
    x = 94,361,444.42

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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.