Home / 251,676,334.80-377,514,502.20-79,206,015.60

Finding the Fourth Proportional to 251,676,334.80, 377,514,502.20 and 79,206,015.60

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Solution

The fourth proportional to 251,676,334.80, 377,514,502.20 and 79,206,015.60 is: 118,809,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,676,334.80 : 377,514,502.20 = 79,206,015.60 : x
  2. Step 2: Convert to fraction form
    251,676,334.80/377,514,502.20 = 79,206,015.60/x
  3. Step 3: Cross multiply
    251,676,334.80x = 377,514,502.20 × 79,206,015.60
  4. Step 4: Simplify right side
    251,676,334.80x = 29,901,419,550,479,432
  5. Step 5: Solve for x
    x = 29,901,419,550,479,432/251,676,334.80
  6. Step 6: Final answer
    x = 118,809,023.40

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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.