Home / 168,439,501.20-252,659,251.80-40,788,685.20

Finding the Fourth Proportional to 168,439,501.20, 252,659,251.80 and 40,788,685.20

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Solution

The fourth proportional to 168,439,501.20, 252,659,251.80 and 40,788,685.20 is: 61,183,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,439,501.20 : 252,659,251.80 = 40,788,685.20 : x
  2. Step 2: Convert to fraction form
    168,439,501.20/252,659,251.80 = 40,788,685.20/x
  3. Step 3: Cross multiply
    168,439,501.20x = 252,659,251.80 × 40,788,685.20
  4. Step 4: Simplify right side
    168,439,501.20x = 10,305,638,684,537,734
  5. Step 5: Solve for x
    x = 10,305,638,684,537,734/168,439,501.20
  6. Step 6: Final answer
    x = 61,183,027.80

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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.