Home / 201,696,734.38-278,334,144.96-112,384,063.92

Finding the Fourth Proportional to 201,696,734.38, 278,334,144.96 and 112,384,063.92

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Solution

The fourth proportional to 201,696,734.38, 278,334,144.96 and 112,384,063.92 is: 155,085,913.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,696,734.38 : 278,334,144.96 = 112,384,063.92 : x
  2. Step 2: Convert to fraction form
    201,696,734.38/278,334,144.96 = 112,384,063.92/x
  3. Step 3: Cross multiply
    201,696,734.38x = 278,334,144.96 × 112,384,063.92
  4. Step 4: Simplify right side
    201,696,734.38x = 31,280,322,338,303,184
  5. Step 5: Solve for x
    x = 31,280,322,338,303,184/201,696,734.38
  6. Step 6: Final answer
    x = 155,085,913.68

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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.