Home / 166,926,287.20-250,389,430.80-80,832,845.20

Finding the Fourth Proportional to 166,926,287.20, 250,389,430.80 and 80,832,845.20

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Solution

The fourth proportional to 166,926,287.20, 250,389,430.80 and 80,832,845.20 is: 121,249,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,926,287.20 : 250,389,430.80 = 80,832,845.20 : x
  2. Step 2: Convert to fraction form
    166,926,287.20/250,389,430.80 = 80,832,845.20/x
  3. Step 3: Cross multiply
    166,926,287.20x = 250,389,430.80 × 80,832,845.20
  4. Step 4: Simplify right side
    166,926,287.20x = 20,239,690,099,572,512
  5. Step 5: Solve for x
    x = 20,239,690,099,572,512/166,926,287.20
  6. Step 6: Final answer
    x = 121,249,267.80

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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.