Home / 168,441,186.30-252,661,779.45-102,967,655.10

Finding the Fourth Proportional to 168,441,186.30, 252,661,779.45 and 102,967,655.10

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Solution

The fourth proportional to 168,441,186.30, 252,661,779.45 and 102,967,655.10 is: 154,451,482.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,441,186.30 : 252,661,779.45 = 102,967,655.10 : x
  2. Step 2: Convert to fraction form
    168,441,186.30/252,661,779.45 = 102,967,655.10/x
  3. Step 3: Cross multiply
    168,441,186.30x = 252,661,779.45 × 102,967,655.10
  4. Step 4: Simplify right side
    168,441,186.30x = 26,015,990,963,359,864
  5. Step 5: Solve for x
    x = 26,015,990,963,359,864/168,441,186.30
  6. Step 6: Final answer
    x = 154,451,482.65

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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.