Home / 137,315,990-205,957,667-45,176,878.36

Finding the Fourth Proportional to 137,315,990, 205,957,667 and 45,176,878.36

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Solution

The fourth proportional to 137,315,990, 205,957,667 and 45,176,878.36 is: 67,759,948.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,315,990 : 205,957,667 = 45,176,878.36 : x
  2. Step 2: Convert to fraction form
    137,315,990/205,957,667 = 45,176,878.36/x
  3. Step 3: Cross multiply
    137,315,990x = 205,957,667 × 45,176,878.36
  4. Step 4: Simplify right side
    137,315,990x = 9,304,524,469,368,386
  5. Step 5: Solve for x
    x = 9,304,524,469,368,386/137,315,990
  6. Step 6: Final answer
    x = 67,759,948.93

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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.