Home / 81,813,740.76-122,740,097.10-30,696,202.44

Finding the Fourth Proportional to 81,813,740.76, 122,740,097.10 and 30,696,202.44

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Solution

The fourth proportional to 81,813,740.76, 122,740,097.10 and 30,696,202.44 is: 46,051,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,813,740.76 : 122,740,097.10 = 30,696,202.44 : x
  2. Step 2: Convert to fraction form
    81,813,740.76/122,740,097.10 = 30,696,202.44/x
  3. Step 3: Cross multiply
    81,813,740.76x = 122,740,097.10 × 30,696,202.44
  4. Step 4: Simplify right side
    81,813,740.76x = 3,767,654,868,086,857
  5. Step 5: Solve for x
    x = 3,767,654,868,086,857/81,813,740.76
  6. Step 6: Final answer
    x = 46,051,614.72

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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.