Home / 99,752,863.04-149,497,016.16-51,228,756.80

Finding the Fourth Proportional to 99,752,863.04, 149,497,016.16 and 51,228,756.80

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Solution

The fourth proportional to 99,752,863.04, 149,497,016.16 and 51,228,756.80 is: 76,775,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,752,863.04 : 149,497,016.16 = 51,228,756.80 : x
  2. Step 2: Convert to fraction form
    99,752,863.04/149,497,016.16 = 51,228,756.80/x
  3. Step 3: Cross multiply
    99,752,863.04x = 149,497,016.16 × 51,228,756.80
  4. Step 4: Simplify right side
    99,752,863.04x = 7,658,546,283,186,309
  5. Step 5: Solve for x
    x = 7,658,546,283,186,309/99,752,863.04
  6. Step 6: Final answer
    x = 76,775,202.73

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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.