Home / 201,942,584.93-278,633,302.88-122,555,886.83

Finding the Fourth Proportional to 201,942,584.93, 278,633,302.88 and 122,555,886.83

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Solution

The fourth proportional to 201,942,584.93, 278,633,302.88 and 122,555,886.83 is: 169,098,318.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,942,584.93 : 278,633,302.88 = 122,555,886.83 : x
  2. Step 2: Convert to fraction form
    201,942,584.93/278,633,302.88 = 122,555,886.83/x
  3. Step 3: Cross multiply
    201,942,584.93x = 278,633,302.88 × 122,555,886.83
  4. Step 4: Simplify right side
    201,942,584.93x = 34,148,151,532,824,448
  5. Step 5: Solve for x
    x = 34,148,151,532,824,448/201,942,584.93
  6. Step 6: Final answer
    x = 169,098,318.44

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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.