Home / 76,366,616.43-105,408,137.68-49,908,950.38

Finding the Fourth Proportional to 76,366,616.43, 105,408,137.68 and 49,908,950.38

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Solution

The fourth proportional to 76,366,616.43, 105,408,137.68 and 49,908,950.38 is: 68,888,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,366,616.43 : 105,408,137.68 = 49,908,950.38 : x
  2. Step 2: Convert to fraction form
    76,366,616.43/105,408,137.68 = 49,908,950.38/x
  3. Step 3: Cross multiply
    76,366,616.43x = 105,408,137.68 × 49,908,950.38
  4. Step 4: Simplify right side
    76,366,616.43x = 5,260,809,513,406,804
  5. Step 5: Solve for x
    x = 5,260,809,513,406,804/76,366,616.43
  6. Step 6: Final answer
    x = 68,888,864.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.