Home / 105,530,820.60-158,290,982.10-54,418,006.20

Finding the Fourth Proportional to 105,530,820.60, 158,290,982.10 and 54,418,006.20

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Solution

The fourth proportional to 105,530,820.60, 158,290,982.10 and 54,418,006.20 is: 81,624,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,530,820.60 : 158,290,982.10 = 54,418,006.20 : x
  2. Step 2: Convert to fraction form
    105,530,820.60/158,290,982.10 = 54,418,006.20/x
  3. Step 3: Cross multiply
    105,530,820.60x = 158,290,982.10 × 54,418,006.20
  4. Step 4: Simplify right side
    105,530,820.60x = 8,613,879,645,321,889
  5. Step 5: Solve for x
    x = 8,613,879,645,321,889/105,530,820.60
  6. Step 6: Final answer
    x = 81,624,302.70

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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.