Home / 252,425,036.90-378,651,333.47-79,888,976.48

Finding the Fourth Proportional to 252,425,036.90, 378,651,333.47 and 79,888,976.48

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Solution

The fourth proportional to 252,425,036.90, 378,651,333.47 and 79,888,976.48 is: 119,837,825.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,425,036.90 : 378,651,333.47 = 79,888,976.48 : x
  2. Step 2: Convert to fraction form
    252,425,036.90/378,651,333.47 = 79,888,976.48/x
  3. Step 3: Cross multiply
    252,425,036.90x = 378,651,333.47 × 79,888,976.48
  4. Step 4: Simplify right side
    252,425,036.90x = 30,250,067,474,252,648
  5. Step 5: Solve for x
    x = 30,250,067,474,252,648/252,425,036.90
  6. Step 6: Final answer
    x = 119,837,825.30

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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.