Home / 168,496,432.40-252,772,642.20-66,263,805.20

Finding the Fourth Proportional to 168,496,432.40, 252,772,642.20 and 66,263,805.20

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Solution

The fourth proportional to 168,496,432.40, 252,772,642.20 and 66,263,805.20 is: 99,406,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,496,432.40 : 252,772,642.20 = 66,263,805.20 : x
  2. Step 2: Convert to fraction form
    168,496,432.40/252,772,642.20 = 66,263,805.20/x
  3. Step 3: Cross multiply
    168,496,432.40x = 252,772,642.20 × 66,263,805.20
  4. Step 4: Simplify right side
    168,496,432.40x = 16,749,677,122,630,100
  5. Step 5: Solve for x
    x = 16,749,677,122,630,100/168,496,432.40
  6. Step 6: Final answer
    x = 99,406,716.71

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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.