Home / 51,180,851.25-76,771,277.28-20,489,248.17

Finding the Fourth Proportional to 51,180,851.25, 76,771,277.28 and 20,489,248.17

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Solution

The fourth proportional to 51,180,851.25, 76,771,277.28 and 20,489,248.17 is: 30,733,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,180,851.25 : 76,771,277.28 = 20,489,248.17 : x
  2. Step 2: Convert to fraction form
    51,180,851.25/76,771,277.28 = 20,489,248.17/x
  3. Step 3: Cross multiply
    51,180,851.25x = 76,771,277.28 × 20,489,248.17
  4. Step 4: Simplify right side
    51,180,851.25x = 1,572,985,752,517,802.75
  5. Step 5: Solve for x
    x = 1,572,985,752,517,802.75/51,180,851.25
  6. Step 6: Final answer
    x = 30,733,872.42

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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.