Home / 168,500,762.40-252,779,137.20-66,268,135.20

Finding the Fourth Proportional to 168,500,762.40, 252,779,137.20 and 66,268,135.20

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Solution

The fourth proportional to 168,500,762.40, 252,779,137.20 and 66,268,135.20 is: 99,413,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,500,762.40 : 252,779,137.20 = 66,268,135.20 : x
  2. Step 2: Convert to fraction form
    168,500,762.40/252,779,137.20 = 66,268,135.20/x
  3. Step 3: Cross multiply
    168,500,762.40x = 252,779,137.20 × 66,268,135.20
  4. Step 4: Simplify right side
    168,500,762.40x = 16,751,202,039,708,950
  5. Step 5: Solve for x
    x = 16,751,202,039,708,950/168,500,762.40
  6. Step 6: Final answer
    x = 99,413,212.15

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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.