Home / 272,607,128.70-409,022,667.45-100,166,552.70

Finding the Fourth Proportional to 272,607,128.70, 409,022,667.45 and 100,166,552.70

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Solution

The fourth proportional to 272,607,128.70, 409,022,667.45 and 100,166,552.70 is: 150,290,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,607,128.70 : 409,022,667.45 = 100,166,552.70 : x
  2. Step 2: Convert to fraction form
    272,607,128.70/409,022,667.45 = 100,166,552.70/x
  3. Step 3: Cross multiply
    272,607,128.70x = 409,022,667.45 × 100,166,552.70
  4. Step 4: Simplify right side
    272,607,128.70x = 40,970,390,574,625,000
  5. Step 5: Solve for x
    x = 40,970,390,574,625,000/272,607,128.70
  6. Step 6: Final answer
    x = 150,290,972.84

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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.