Home / 112,483,981.50-168,691,429.92-39,683,736.96

Finding the Fourth Proportional to 112,483,981.50, 168,691,429.92 and 39,683,736.96

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Solution

The fourth proportional to 112,483,981.50, 168,691,429.92 and 39,683,736.96 is: 59,513,419.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,483,981.50 : 168,691,429.92 = 39,683,736.96 : x
  2. Step 2: Convert to fraction form
    112,483,981.50/168,691,429.92 = 39,683,736.96/x
  3. Step 3: Cross multiply
    112,483,981.50x = 168,691,429.92 × 39,683,736.96
  4. Step 4: Simplify right side
    112,483,981.50x = 6,694,306,332,351,553
  5. Step 5: Solve for x
    x = 6,694,306,332,351,553/112,483,981.50
  6. Step 6: Final answer
    x = 59,513,419.09

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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.