Home / 147,709,561.38-221,366,276.37-114,959,673.78

Finding the Fourth Proportional to 147,709,561.38, 221,366,276.37 and 114,959,673.78

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Solution

The fourth proportional to 147,709,561.38, 221,366,276.37 and 114,959,673.78 is: 172,285,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,709,561.38 : 221,366,276.37 = 114,959,673.78 : x
  2. Step 2: Convert to fraction form
    147,709,561.38/221,366,276.37 = 114,959,673.78/x
  3. Step 3: Cross multiply
    147,709,561.38x = 221,366,276.37 × 114,959,673.78
  4. Step 4: Simplify right side
    147,709,561.38x = 25,448,194,917,388,524
  5. Step 5: Solve for x
    x = 25,448,194,917,388,524/147,709,561.38
  6. Step 6: Final answer
    x = 172,285,359.73

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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.