Home / 84,065,015.90-116,007,091.31-49,280,873.85

Finding the Fourth Proportional to 84,065,015.90, 116,007,091.31 and 49,280,873.85

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Solution

The fourth proportional to 84,065,015.90, 116,007,091.31 and 49,280,873.85 is: 68,006,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,065,015.90 : 116,007,091.31 = 49,280,873.85 : x
  2. Step 2: Convert to fraction form
    84,065,015.90/116,007,091.31 = 49,280,873.85/x
  3. Step 3: Cross multiply
    84,065,015.90x = 116,007,091.31 × 49,280,873.85
  4. Step 4: Simplify right side
    84,065,015.90x = 5,716,930,832,676,744
  5. Step 5: Solve for x
    x = 5,716,930,832,676,744/84,065,015.90
  6. Step 6: Final answer
    x = 68,006,063.77

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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.