Home / 68,409,060.28-102,777,292.31-43,865,074.16

Finding the Fourth Proportional to 68,409,060.28, 102,777,292.31 and 43,865,074.16

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Solution

The fourth proportional to 68,409,060.28, 102,777,292.31 and 43,865,074.16 is: 65,902,579.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,409,060.28 : 102,777,292.31 = 43,865,074.16 : x
  2. Step 2: Convert to fraction form
    68,409,060.28/102,777,292.31 = 43,865,074.16/x
  3. Step 3: Cross multiply
    68,409,060.28x = 102,777,292.31 × 43,865,074.16
  4. Step 4: Simplify right side
    68,409,060.28x = 4,508,333,548,408,936
  5. Step 5: Solve for x
    x = 4,508,333,548,408,936/68,409,060.28
  6. Step 6: Final answer
    x = 65,902,579.72

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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.