Home / 168,488,784.60-252,607,205.70-71,364,989.40

Finding the Fourth Proportional to 168,488,784.60, 252,607,205.70 and 71,364,989.40

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Solution

The fourth proportional to 168,488,784.60, 252,607,205.70 and 71,364,989.40 is: 106,994,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,488,784.60 : 252,607,205.70 = 71,364,989.40 : x
  2. Step 2: Convert to fraction form
    168,488,784.60/252,607,205.70 = 71,364,989.40/x
  3. Step 3: Cross multiply
    168,488,784.60x = 252,607,205.70 × 71,364,989.40
  4. Step 4: Simplify right side
    168,488,784.60x = 18,027,310,557,144,120
  5. Step 5: Solve for x
    x = 18,027,310,557,144,120/168,488,784.60
  6. Step 6: Final answer
    x = 106,994,127.83

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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.