Home / 272,607,187.20-409,022,755.20-100,166,611.20

Finding the Fourth Proportional to 272,607,187.20, 409,022,755.20 and 100,166,611.20

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Solution

The fourth proportional to 272,607,187.20, 409,022,755.20 and 100,166,611.20 is: 150,291,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,607,187.20 : 409,022,755.20 = 100,166,611.20 : x
  2. Step 2: Convert to fraction form
    272,607,187.20/409,022,755.20 = 100,166,611.20/x
  3. Step 3: Cross multiply
    272,607,187.20x = 409,022,755.20 × 100,166,611.20
  4. Step 4: Simplify right side
    272,607,187.20x = 40,970,423,292,071,176
  5. Step 5: Solve for x
    x = 40,970,423,292,071,176/272,607,187.20
  6. Step 6: Final answer
    x = 150,291,060.60

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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.