Home / 168,077,452.20-251,976,210.30-71,107,621.80

Finding the Fourth Proportional to 168,077,452.20, 251,976,210.30 and 71,107,621.80

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Solution

The fourth proportional to 168,077,452.20, 251,976,210.30 and 71,107,621.80 is: 106,602,217.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,077,452.20 : 251,976,210.30 = 71,107,621.80 : x
  2. Step 2: Convert to fraction form
    168,077,452.20/251,976,210.30 = 71,107,621.80/x
  3. Step 3: Cross multiply
    168,077,452.20x = 251,976,210.30 × 71,107,621.80
  4. Step 4: Simplify right side
    168,077,452.20x = 17,917,429,064,609,664
  5. Step 5: Solve for x
    x = 17,917,429,064,609,664/168,077,452.20
  6. Step 6: Final answer
    x = 106,602,217.19

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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.