Home / 92,195,725.20-138,293,587.80-71,788,390.80

Finding the Fourth Proportional to 92,195,725.20, 138,293,587.80 and 71,788,390.80

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Solution

The fourth proportional to 92,195,725.20, 138,293,587.80 and 71,788,390.80 is: 107,682,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,195,725.20 : 138,293,587.80 = 71,788,390.80 : x
  2. Step 2: Convert to fraction form
    92,195,725.20/138,293,587.80 = 71,788,390.80/x
  3. Step 3: Cross multiply
    92,195,725.20x = 138,293,587.80 × 71,788,390.80
  4. Step 4: Simplify right side
    92,195,725.20x = 9,927,874,126,120,512
  5. Step 5: Solve for x
    x = 9,927,874,126,120,512/92,195,725.20
  6. Step 6: Final answer
    x = 107,682,586.20

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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.