Home / 121,885,016.94-182,785,010.10-53,690,507.82

Finding the Fourth Proportional to 121,885,016.94, 182,785,010.10 and 53,690,507.82

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Solution

The fourth proportional to 121,885,016.94, 182,785,010.10 and 53,690,507.82 is: 80,517,033.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,885,016.94 : 182,785,010.10 = 53,690,507.82 : x
  2. Step 2: Convert to fraction form
    121,885,016.94/182,785,010.10 = 53,690,507.82/x
  3. Step 3: Cross multiply
    121,885,016.94x = 182,785,010.10 × 53,690,507.82
  4. Step 4: Simplify right side
    121,885,016.94x = 9,813,820,014,152,828
  5. Step 5: Solve for x
    x = 9,813,820,014,152,828/121,885,016.94
  6. Step 6: Final answer
    x = 80,517,033.68

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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.