Home / 168,176,768.40-252,328,138.20-66,014,125.20

Finding the Fourth Proportional to 168,176,768.40, 252,328,138.20 and 66,014,125.20

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Solution

The fourth proportional to 168,176,768.40, 252,328,138.20 and 66,014,125.20 is: 99,045,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,176,768.40 : 252,328,138.20 = 66,014,125.20 : x
  2. Step 2: Convert to fraction form
    168,176,768.40/252,328,138.20 = 66,014,125.20/x
  3. Step 3: Cross multiply
    168,176,768.40x = 252,328,138.20 × 66,014,125.20
  4. Step 4: Simplify right side
    168,176,768.40x = 16,657,221,306,617,702
  5. Step 5: Solve for x
    x = 16,657,221,306,617,702/168,176,768.40
  6. Step 6: Final answer
    x = 99,045,911.42

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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.