Home / 80,051,842.71-120,080,422.17-27,528,998.93

Finding the Fourth Proportional to 80,051,842.71, 120,080,422.17 and 27,528,998.93

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Solution

The fourth proportional to 80,051,842.71, 120,080,422.17 and 27,528,998.93 is: 41,294,412.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,051,842.71 : 120,080,422.17 = 27,528,998.93 : x
  2. Step 2: Convert to fraction form
    80,051,842.71/120,080,422.17 = 27,528,998.93/x
  3. Step 3: Cross multiply
    80,051,842.71x = 120,080,422.17 × 27,528,998.93
  4. Step 4: Simplify right side
    80,051,842.71x = 3,305,693,813,524,009.50
  5. Step 5: Solve for x
    x = 3,305,693,813,524,009.50/80,051,842.71
  6. Step 6: Final answer
    x = 41,294,412.49

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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.