Home / 92,542,389.52-127,634,032.36-81,354,962.17

Finding the Fourth Proportional to 92,542,389.52, 127,634,032.36 and 81,354,962.17

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Solution

The fourth proportional to 92,542,389.52, 127,634,032.36 and 81,354,962.17 is: 112,204,384.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,542,389.52 : 127,634,032.36 = 81,354,962.17 : x
  2. Step 2: Convert to fraction form
    92,542,389.52/127,634,032.36 = 81,354,962.17/x
  3. Step 3: Cross multiply
    92,542,389.52x = 127,634,032.36 × 81,354,962.17
  4. Step 4: Simplify right side
    92,542,389.52x = 10,383,661,874,252,356
  5. Step 5: Solve for x
    x = 10,383,661,874,252,356/92,542,389.52
  6. Step 6: Final answer
    x = 112,204,384.69

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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.