Home / 168,518,538.30-252,777,807.45-149,034,992.70

Finding the Fourth Proportional to 168,518,538.30, 252,777,807.45 and 149,034,992.70

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Solution

The fourth proportional to 168,518,538.30, 252,777,807.45 and 149,034,992.70 is: 223,552,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,518,538.30 : 252,777,807.45 = 149,034,992.70 : x
  2. Step 2: Convert to fraction form
    168,518,538.30/252,777,807.45 = 149,034,992.70/x
  3. Step 3: Cross multiply
    168,518,538.30x = 252,777,807.45 × 149,034,992.70
  4. Step 4: Simplify right side
    168,518,538.30x = 37,672,738,688,032,752
  5. Step 5: Solve for x
    x = 37,672,738,688,032,752/168,518,538.30
  6. Step 6: Final answer
    x = 223,552,489.05

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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.