Home / 55,361,844.12-76,397,864.10-30,581,497.65

Finding the Fourth Proportional to 55,361,844.12, 76,397,864.10 and 30,581,497.65

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Solution

The fourth proportional to 55,361,844.12, 76,397,864.10 and 30,581,497.65 is: 42,201,648.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,361,844.12 : 76,397,864.10 = 30,581,497.65 : x
  2. Step 2: Convert to fraction form
    55,361,844.12/76,397,864.10 = 30,581,497.65/x
  3. Step 3: Cross multiply
    55,361,844.12x = 76,397,864.10 × 30,581,497.65
  4. Step 4: Simplify right side
    55,361,844.12x = 2,336,361,101,439,169
  5. Step 5: Solve for x
    x = 2,336,361,101,439,169/55,361,844.12
  6. Step 6: Final answer
    x = 42,201,648.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.