Home / 367,415,999.20-551,123,998.80-149,170,895.20

Finding the Fourth Proportional to 367,415,999.20, 551,123,998.80 and 149,170,895.20

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Solution

The fourth proportional to 367,415,999.20, 551,123,998.80 and 149,170,895.20 is: 223,756,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,415,999.20 : 551,123,998.80 = 149,170,895.20 : x
  2. Step 2: Convert to fraction form
    367,415,999.20/551,123,998.80 = 149,170,895.20/x
  3. Step 3: Cross multiply
    367,415,999.20x = 551,123,998.80 × 149,170,895.20
  4. Step 4: Simplify right side
    367,415,999.20x = 82,211,660,267,199,712
  5. Step 5: Solve for x
    x = 82,211,660,267,199,712/367,415,999.20
  6. Step 6: Final answer
    x = 223,756,342.80

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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.