Home / 264,569,766.81-396,828,992.14-80,338,838.70

Finding the Fourth Proportional to 264,569,766.81, 396,828,992.14 and 80,338,838.70

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Solution

The fourth proportional to 264,569,766.81, 396,828,992.14 and 80,338,838.70 is: 120,500,466.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,569,766.81 : 396,828,992.14 = 80,338,838.70 : x
  2. Step 2: Convert to fraction form
    264,569,766.81/396,828,992.14 = 80,338,838.70/x
  3. Step 3: Cross multiply
    264,569,766.81x = 396,828,992.14 × 80,338,838.70
  4. Step 4: Simplify right side
    264,569,766.81x = 31,880,780,391,019,028
  5. Step 5: Solve for x
    x = 31,880,780,391,019,028/264,569,766.81
  6. Step 6: Final answer
    x = 120,500,466.76

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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.