Home / 74,550,470.40-111,825,705.60-19,971,479.70

Finding the Fourth Proportional to 74,550,470.40, 111,825,705.60 and 19,971,479.70

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Solution

The fourth proportional to 74,550,470.40, 111,825,705.60 and 19,971,479.70 is: 29,957,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,550,470.40 : 111,825,705.60 = 19,971,479.70 : x
  2. Step 2: Convert to fraction form
    74,550,470.40/111,825,705.60 = 19,971,479.70/x
  3. Step 3: Cross multiply
    74,550,470.40x = 111,825,705.60 × 19,971,479.70
  4. Step 4: Simplify right side
    74,550,470.40x = 2,233,324,809,328,576
  5. Step 5: Solve for x
    x = 2,233,324,809,328,576/74,550,470.40
  6. Step 6: Final answer
    x = 29,957,219.55

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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.