Home / 178,038,067.20-267,057,100.80-165,566,918.40

Finding the Fourth Proportional to 178,038,067.20, 267,057,100.80 and 165,566,918.40

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Solution

The fourth proportional to 178,038,067.20, 267,057,100.80 and 165,566,918.40 is: 248,350,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,038,067.20 : 267,057,100.80 = 165,566,918.40 : x
  2. Step 2: Convert to fraction form
    178,038,067.20/267,057,100.80 = 165,566,918.40/x
  3. Step 3: Cross multiply
    178,038,067.20x = 267,057,100.80 × 165,566,918.40
  4. Step 4: Simplify right side
    178,038,067.20x = 44,215,821,216,294,176
  5. Step 5: Solve for x
    x = 44,215,821,216,294,176/178,038,067.20
  6. Step 6: Final answer
    x = 248,350,377.60

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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.