Home / 201,701,664.54-278,355,721.59-112,401,633.42

Finding the Fourth Proportional to 201,701,664.54, 278,355,721.59 and 112,401,633.42

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Solution

The fourth proportional to 201,701,664.54, 278,355,721.59 and 112,401,633.42 is: 155,118,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,701,664.54 : 278,355,721.59 = 112,401,633.42 : x
  2. Step 2: Convert to fraction form
    201,701,664.54/278,355,721.59 = 112,401,633.42/x
  3. Step 3: Cross multiply
    201,701,664.54x = 278,355,721.59 × 112,401,633.42
  4. Step 4: Simplify right side
    201,701,664.54x = 31,287,637,778,518,756
  5. Step 5: Solve for x
    x = 31,287,637,778,518,756/201,701,664.54
  6. Step 6: Final answer
    x = 155,118,391.56

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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.