Home / 168,189,810.90-252,284,716.35-45,367,890.90

Finding the Fourth Proportional to 168,189,810.90, 252,284,716.35 and 45,367,890.90

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Solution

The fourth proportional to 168,189,810.90, 252,284,716.35 and 45,367,890.90 is: 68,051,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,189,810.90 : 252,284,716.35 = 45,367,890.90 : x
  2. Step 2: Convert to fraction form
    168,189,810.90/252,284,716.35 = 45,367,890.90/x
  3. Step 3: Cross multiply
    168,189,810.90x = 252,284,716.35 × 45,367,890.90
  4. Step 4: Simplify right side
    168,189,810.90x = 11,445,625,487,104,246
  5. Step 5: Solve for x
    x = 11,445,625,487,104,246/168,189,810.90
  6. Step 6: Final answer
    x = 68,051,836.35

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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.