Home / 138,943,836.20-208,152,687.33-92,746,406.36

Finding the Fourth Proportional to 138,943,836.20, 208,152,687.33 and 92,746,406.36

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Solution

The fourth proportional to 138,943,836.20, 208,152,687.33 and 92,746,406.36 is: 138,944,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,943,836.20 : 208,152,687.33 = 92,746,406.36 : x
  2. Step 2: Convert to fraction form
    138,943,836.20/208,152,687.33 = 92,746,406.36/x
  3. Step 3: Cross multiply
    138,943,836.20x = 208,152,687.33 × 92,746,406.36
  4. Step 4: Simplify right side
    138,943,836.20x = 19,305,413,724,554,584
  5. Step 5: Solve for x
    x = 19,305,413,724,554,584/138,943,836.20
  6. Step 6: Final answer
    x = 138,944,009.70

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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.