Home / 68,166,667.20-102,250,000.80-52,938,148.80

Finding the Fourth Proportional to 68,166,667.20, 102,250,000.80 and 52,938,148.80

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Solution

The fourth proportional to 68,166,667.20, 102,250,000.80 and 52,938,148.80 is: 79,407,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,166,667.20 : 102,250,000.80 = 52,938,148.80 : x
  2. Step 2: Convert to fraction form
    68,166,667.20/102,250,000.80 = 52,938,148.80/x
  3. Step 3: Cross multiply
    68,166,667.20x = 102,250,000.80 × 52,938,148.80
  4. Step 4: Simplify right side
    68,166,667.20x = 5,412,925,757,150,519
  5. Step 5: Solve for x
    x = 5,412,925,757,150,519/68,166,667.20
  6. Step 6: Final answer
    x = 79,407,223.20

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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.