Home / 100,101,309.60-150,151,964.40-31,950,890.40

Finding the Fourth Proportional to 100,101,309.60, 150,151,964.40 and 31,950,890.40

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Solution

The fourth proportional to 100,101,309.60, 150,151,964.40 and 31,950,890.40 is: 47,926,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,101,309.60 : 150,151,964.40 = 31,950,890.40 : x
  2. Step 2: Convert to fraction form
    100,101,309.60/150,151,964.40 = 31,950,890.40/x
  3. Step 3: Cross multiply
    100,101,309.60x = 150,151,964.40 × 31,950,890.40
  4. Step 4: Simplify right side
    100,101,309.60x = 4,797,488,957,889,102
  5. Step 5: Solve for x
    x = 4,797,488,957,889,102/100,101,309.60
  6. Step 6: Final answer
    x = 47,926,335.60

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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.