Home / 275,330,908.58-413,007,760.48-81,242,320.06

Finding the Fourth Proportional to 275,330,908.58, 413,007,760.48 and 81,242,320.06

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Solution

The fourth proportional to 275,330,908.58, 413,007,760.48 and 81,242,320.06 is: 121,866,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,330,908.58 : 413,007,760.48 = 81,242,320.06 : x
  2. Step 2: Convert to fraction form
    275,330,908.58/413,007,760.48 = 81,242,320.06/x
  3. Step 3: Cross multiply
    275,330,908.58x = 413,007,760.48 × 81,242,320.06
  4. Step 4: Simplify right side
    275,330,908.58x = 33,553,708,662,944,356
  5. Step 5: Solve for x
    x = 33,553,708,662,944,356/275,330,908.58
  6. Step 6: Final answer
    x = 121,866,843.20

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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.