Home / 74,195,999.70-111,293,999.55-65,976,378.90

Finding the Fourth Proportional to 74,195,999.70, 111,293,999.55 and 65,976,378.90

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Solution

The fourth proportional to 74,195,999.70, 111,293,999.55 and 65,976,378.90 is: 98,964,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,195,999.70 : 111,293,999.55 = 65,976,378.90 : x
  2. Step 2: Convert to fraction form
    74,195,999.70/111,293,999.55 = 65,976,378.90/x
  3. Step 3: Cross multiply
    74,195,999.70x = 111,293,999.55 × 65,976,378.90
  4. Step 4: Simplify right side
    74,195,999.70x = 7,342,775,083,607,229
  5. Step 5: Solve for x
    x = 7,342,775,083,607,229/74,195,999.70
  6. Step 6: Final answer
    x = 98,964,568.35

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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.