Home / 168,031,821.60-252,047,732.40-40,381,005.60

Finding the Fourth Proportional to 168,031,821.60, 252,047,732.40 and 40,381,005.60

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Solution

The fourth proportional to 168,031,821.60, 252,047,732.40 and 40,381,005.60 is: 60,571,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,031,821.60 : 252,047,732.40 = 40,381,005.60 : x
  2. Step 2: Convert to fraction form
    168,031,821.60/252,047,732.40 = 40,381,005.60/x
  3. Step 3: Cross multiply
    168,031,821.60x = 252,047,732.40 × 40,381,005.60
  4. Step 4: Simplify right side
    168,031,821.60x = 10,177,940,893,511,702
  5. Step 5: Solve for x
    x = 10,177,940,893,511,702/168,031,821.60
  6. Step 6: Final answer
    x = 60,571,508.40

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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.