Home / 168,496,349.40-252,772,517.70-66,263,722.20

Finding the Fourth Proportional to 168,496,349.40, 252,772,517.70 and 66,263,722.20

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Solution

The fourth proportional to 168,496,349.40, 252,772,517.70 and 66,263,722.20 is: 99,406,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,496,349.40 : 252,772,517.70 = 66,263,722.20 : x
  2. Step 2: Convert to fraction form
    168,496,349.40/252,772,517.70 = 66,263,722.20/x
  3. Step 3: Cross multiply
    168,496,349.40x = 252,772,517.70 × 66,263,722.20
  4. Step 4: Simplify right side
    168,496,349.40x = 16,749,647,892,667,382
  5. Step 5: Solve for x
    x = 16,749,647,892,667,382/168,496,349.40
  6. Step 6: Final answer
    x = 99,406,592.20

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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.