Home / 151,781,097.51-209,457,870.17-82,166,426.73

Finding the Fourth Proportional to 151,781,097.51, 209,457,870.17 and 82,166,426.73

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Solution

The fourth proportional to 151,781,097.51, 209,457,870.17 and 82,166,426.73 is: 113,389,644.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,781,097.51 : 209,457,870.17 = 82,166,426.73 : x
  2. Step 2: Convert to fraction form
    151,781,097.51/209,457,870.17 = 82,166,426.73/x
  3. Step 3: Cross multiply
    151,781,097.51x = 209,457,870.17 × 82,166,426.73
  4. Step 4: Simplify right side
    151,781,097.51x = 17,210,404,741,934,326
  5. Step 5: Solve for x
    x = 17,210,404,741,934,326/151,781,097.51
  6. Step 6: Final answer
    x = 113,389,644.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.