Home / 74,727,480.46-112,087,233.06-20,139,190.15

Finding the Fourth Proportional to 74,727,480.46, 112,087,233.06 and 20,139,190.15

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Solution

The fourth proportional to 74,727,480.46, 112,087,233.06 and 20,139,190.15 is: 30,207,710.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,727,480.46 : 112,087,233.06 = 20,139,190.15 : x
  2. Step 2: Convert to fraction form
    74,727,480.46/112,087,233.06 = 20,139,190.15/x
  3. Step 3: Cross multiply
    74,727,480.46x = 112,087,233.06 × 20,139,190.15
  4. Step 4: Simplify right side
    74,727,480.46x = 2,257,346,099,982,706
  5. Step 5: Solve for x
    x = 2,257,346,099,982,706/74,727,480.46
  6. Step 6: Final answer
    x = 30,207,710.55

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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.