Home / 73,287,721.60-109,973,572.80-27,882,102.40

Finding the Fourth Proportional to 73,287,721.60, 109,973,572.80 and 27,882,102.40

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Solution

The fourth proportional to 73,287,721.60, 109,973,572.80 and 27,882,102.40 is: 41,839,128.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,287,721.60 : 109,973,572.80 = 27,882,102.40 : x
  2. Step 2: Convert to fraction form
    73,287,721.60/109,973,572.80 = 27,882,102.40/x
  3. Step 3: Cross multiply
    73,287,721.60x = 109,973,572.80 × 27,882,102.40
  4. Step 4: Simplify right side
    73,287,721.60x = 3,066,294,418,103,454.50
  5. Step 5: Solve for x
    x = 3,066,294,418,103,454.50/73,287,721.60
  6. Step 6: Final answer
    x = 41,839,128.73

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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.