Home / 298,986,166.60-448,479,249.90-137,428,102.60

Finding the Fourth Proportional to 298,986,166.60, 448,479,249.90 and 137,428,102.60

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Solution

The fourth proportional to 298,986,166.60, 448,479,249.90 and 137,428,102.60 is: 206,142,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,986,166.60 : 448,479,249.90 = 137,428,102.60 : x
  2. Step 2: Convert to fraction form
    298,986,166.60/448,479,249.90 = 137,428,102.60/x
  3. Step 3: Cross multiply
    298,986,166.60x = 448,479,249.90 × 137,428,102.60
  4. Step 4: Simplify right side
    298,986,166.60x = 61,633,652,369,228,232
  5. Step 5: Solve for x
    x = 61,633,652,369,228,232/298,986,166.60
  6. Step 6: Final answer
    x = 206,142,153.90

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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.