Home / 77,914,011.20-116,871,016.80-75,923,355.20

Finding the Fourth Proportional to 77,914,011.20, 116,871,016.80 and 75,923,355.20

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Solution

The fourth proportional to 77,914,011.20, 116,871,016.80 and 75,923,355.20 is: 113,885,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,914,011.20 : 116,871,016.80 = 75,923,355.20 : x
  2. Step 2: Convert to fraction form
    77,914,011.20/116,871,016.80 = 75,923,355.20/x
  3. Step 3: Cross multiply
    77,914,011.20x = 116,871,016.80 × 75,923,355.20
  4. Step 4: Simplify right side
    77,914,011.20x = 8,873,239,721,091,567
  5. Step 5: Solve for x
    x = 8,873,239,721,091,567/77,914,011.20
  6. Step 6: Final answer
    x = 113,885,032.80

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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.