Home / 168,226,894.20-252,340,341.30-72,488,782.20

Finding the Fourth Proportional to 168,226,894.20, 252,340,341.30 and 72,488,782.20

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Solution

The fourth proportional to 168,226,894.20, 252,340,341.30 and 72,488,782.20 is: 108,733,173.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,226,894.20 : 252,340,341.30 = 72,488,782.20 : x
  2. Step 2: Convert to fraction form
    168,226,894.20/252,340,341.30 = 72,488,782.20/x
  3. Step 3: Cross multiply
    168,226,894.20x = 252,340,341.30 × 72,488,782.20
  4. Step 4: Simplify right side
    168,226,894.20x = 18,291,844,040,769,368
  5. Step 5: Solve for x
    x = 18,291,844,040,769,368/168,226,894.20
  6. Step 6: Final answer
    x = 108,733,173.30

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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.