Home / 75,071,996.80-112,524,014.40-31,933,859.20

Finding the Fourth Proportional to 75,071,996.80, 112,524,014.40 and 31,933,859.20

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Solution

The fourth proportional to 75,071,996.80, 112,524,014.40 and 31,933,859.20 is: 47,865,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,071,996.80 : 112,524,014.40 = 31,933,859.20 : x
  2. Step 2: Convert to fraction form
    75,071,996.80/112,524,014.40 = 31,933,859.20/x
  3. Step 3: Cross multiply
    75,071,996.80x = 112,524,014.40 × 31,933,859.20
  4. Step 4: Simplify right side
    75,071,996.80x = 3,593,326,032,468,372.50
  5. Step 5: Solve for x
    x = 3,593,326,032,468,372.50/75,071,996.80
  6. Step 6: Final answer
    x = 47,865,065.35

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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.