Home / 85,291,925.94-127,937,785.14-27,784,103.22

Finding the Fourth Proportional to 85,291,925.94, 127,937,785.14 and 27,784,103.22

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Solution

The fourth proportional to 85,291,925.94, 127,937,785.14 and 27,784,103.22 is: 41,676,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,291,925.94 : 127,937,785.14 = 27,784,103.22 : x
  2. Step 2: Convert to fraction form
    85,291,925.94/127,937,785.14 = 27,784,103.22/x
  3. Step 3: Cross multiply
    85,291,925.94x = 127,937,785.14 × 27,784,103.22
  4. Step 4: Simplify right side
    85,291,925.94x = 3,554,636,628,067,942
  5. Step 5: Solve for x
    x = 3,554,636,628,067,942/85,291,925.94
  6. Step 6: Final answer
    x = 41,676,121.03

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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.