Home / 101,364,422.61-152,060,766.39-31,340,367.81

Finding the Fourth Proportional to 101,364,422.61, 152,060,766.39 and 31,340,367.81

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Solution

The fourth proportional to 101,364,422.61, 152,060,766.39 and 31,340,367.81 is: 47,014,921.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,364,422.61 : 152,060,766.39 = 31,340,367.81 : x
  2. Step 2: Convert to fraction form
    101,364,422.61/152,060,766.39 = 31,340,367.81/x
  3. Step 3: Cross multiply
    101,364,422.61x = 152,060,766.39 × 31,340,367.81
  4. Step 4: Simplify right side
    101,364,422.61x = 4,765,640,348,133,085
  5. Step 5: Solve for x
    x = 4,765,640,348,133,085/101,364,422.61
  6. Step 6: Final answer
    x = 47,014,921.27

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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.