Home / 168,488,793.60-252,607,219.20-71,364,998.40

Finding the Fourth Proportional to 168,488,793.60, 252,607,219.20 and 71,364,998.40

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Solution

The fourth proportional to 168,488,793.60, 252,607,219.20 and 71,364,998.40 is: 106,994,141.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,488,793.60 : 252,607,219.20 = 71,364,998.40 : x
  2. Step 2: Convert to fraction form
    168,488,793.60/252,607,219.20 = 71,364,998.40/x
  3. Step 3: Cross multiply
    168,488,793.60x = 252,607,219.20 × 71,364,998.40
  4. Step 4: Simplify right side
    168,488,793.60x = 18,027,313,794,036,448
  5. Step 5: Solve for x
    x = 18,027,313,794,036,448/168,488,793.60
  6. Step 6: Final answer
    x = 106,994,141.32

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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.