Home / 209,278,378.25-313,937,122.75-61,726,081.98

Finding the Fourth Proportional to 209,278,378.25, 313,937,122.75 and 61,726,081.98

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Solution

The fourth proportional to 209,278,378.25, 313,937,122.75 and 61,726,081.98 is: 92,594,890.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,278,378.25 : 313,937,122.75 = 61,726,081.98 : x
  2. Step 2: Convert to fraction form
    209,278,378.25/313,937,122.75 = 61,726,081.98/x
  3. Step 3: Cross multiply
    209,278,378.25x = 313,937,122.75 × 61,726,081.98
  4. Step 4: Simplify right side
    209,278,378.25x = 19,378,108,574,956,880
  5. Step 5: Solve for x
    x = 19,378,108,574,956,880/209,278,378.25
  6. Step 6: Final answer
    x = 92,594,890.77

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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.