Home / 201,696,735.52-278,334,146.50-112,384,065.06

Finding the Fourth Proportional to 201,696,735.52, 278,334,146.50 and 112,384,065.06

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Solution

The fourth proportional to 201,696,735.52, 278,334,146.50 and 112,384,065.06 is: 155,085,915.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,696,735.52 : 278,334,146.50 = 112,384,065.06 : x
  2. Step 2: Convert to fraction form
    201,696,735.52/278,334,146.50 = 112,384,065.06/x
  3. Step 3: Cross multiply
    201,696,735.52x = 278,334,146.50 × 112,384,065.06
  4. Step 4: Simplify right side
    201,696,735.52x = 31,280,322,828,394,612
  5. Step 5: Solve for x
    x = 31,280,322,828,394,612/201,696,735.52
  6. Step 6: Final answer
    x = 155,085,915.24

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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.