Home / 137,315,991-205,957,668.50-45,176,879.36

Finding the Fourth Proportional to 137,315,991, 205,957,668.50 and 45,176,879.36

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Solution

The fourth proportional to 137,315,991, 205,957,668.50 and 45,176,879.36 is: 67,759,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,315,991 : 205,957,668.50 = 45,176,879.36 : x
  2. Step 2: Convert to fraction form
    137,315,991/205,957,668.50 = 45,176,879.36/x
  3. Step 3: Cross multiply
    137,315,991x = 205,957,668.50 × 45,176,879.36
  4. Step 4: Simplify right side
    137,315,991x = 9,304,524,743,091,372
  5. Step 5: Solve for x
    x = 9,304,524,743,091,372/137,315,991
  6. Step 6: Final answer
    x = 67,759,950.43

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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.