Home / 77,914,015.20-116,871,022.80-75,923,359.20

Finding the Fourth Proportional to 77,914,015.20, 116,871,022.80 and 75,923,359.20

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Solution

The fourth proportional to 77,914,015.20, 116,871,022.80 and 75,923,359.20 is: 113,885,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,914,015.20 : 116,871,022.80 = 75,923,359.20 : x
  2. Step 2: Convert to fraction form
    77,914,015.20/116,871,022.80 = 75,923,359.20/x
  3. Step 3: Cross multiply
    77,914,015.20x = 116,871,022.80 × 75,923,359.20
  4. Step 4: Simplify right side
    77,914,015.20x = 8,873,240,644,115,790
  5. Step 5: Solve for x
    x = 8,873,240,644,115,790/77,914,015.20
  6. Step 6: Final answer
    x = 113,885,038.80

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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.