Home / 220,543,670.40-330,780,076.20-67,154,051.40

Finding the Fourth Proportional to 220,543,670.40, 330,780,076.20 and 67,154,051.40

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Solution

The fourth proportional to 220,543,670.40, 330,780,076.20 and 67,154,051.40 is: 100,720,289.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,543,670.40 : 330,780,076.20 = 67,154,051.40 : x
  2. Step 2: Convert to fraction form
    220,543,670.40/330,780,076.20 = 67,154,051.40/x
  3. Step 3: Cross multiply
    220,543,670.40x = 330,780,076.20 × 67,154,051.40
  4. Step 4: Simplify right side
    220,543,670.40x = 22,213,222,239,230,716
  5. Step 5: Solve for x
    x = 22,213,222,239,230,716/220,543,670.40
  6. Step 6: Final answer
    x = 100,720,289.09

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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.