Home / 138,813,555.94-191,451,009.58-122,032,414.96

Finding the Fourth Proportional to 138,813,555.94, 191,451,009.58 and 122,032,414.96

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Solution

The fourth proportional to 138,813,555.94, 191,451,009.58 and 122,032,414.96 is: 168,306,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,813,555.94 : 191,451,009.58 = 122,032,414.96 : x
  2. Step 2: Convert to fraction form
    138,813,555.94/191,451,009.58 = 122,032,414.96/x
  3. Step 3: Cross multiply
    138,813,555.94x = 191,451,009.58 × 122,032,414.96
  4. Step 4: Simplify right side
    138,813,555.94x = 23,363,229,045,577,496
  5. Step 5: Solve for x
    x = 23,363,229,045,577,496/138,813,555.94
  6. Step 6: Final answer
    x = 168,306,538.13

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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.