Home / 168,445,541.38-252,630,114.57-76,268,428.57

Finding the Fourth Proportional to 168,445,541.38, 252,630,114.57 and 76,268,428.57

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Solution

The fourth proportional to 168,445,541.38, 252,630,114.57 and 76,268,428.57 is: 114,385,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,445,541.38 : 252,630,114.57 = 76,268,428.57 : x
  2. Step 2: Convert to fraction form
    168,445,541.38/252,630,114.57 = 76,268,428.57/x
  3. Step 3: Cross multiply
    168,445,541.38x = 252,630,114.57 × 76,268,428.57
  4. Step 4: Simplify right side
    168,445,541.38x = 19,267,701,847,712,960
  5. Step 5: Solve for x
    x = 19,267,701,847,712,960/168,445,541.38
  6. Step 6: Final answer
    x = 114,385,347.87

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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.