Home / 92,542,357.79-127,633,988.70-81,354,930.47

Finding the Fourth Proportional to 92,542,357.79, 127,633,988.70 and 81,354,930.47

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Solution

The fourth proportional to 92,542,357.79, 127,633,988.70 and 81,354,930.47 is: 112,204,341.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,542,357.79 : 127,633,988.70 = 81,354,930.47 : x
  2. Step 2: Convert to fraction form
    92,542,357.79/127,633,988.70 = 81,354,930.47/x
  3. Step 3: Cross multiply
    92,542,357.79x = 127,633,988.70 × 81,354,930.47
  4. Step 4: Simplify right side
    92,542,357.79x = 10,383,654,276,439,952
  5. Step 5: Solve for x
    x = 10,383,654,276,439,952/92,542,357.79
  6. Step 6: Final answer
    x = 112,204,341.06

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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.