Home / 112,331,365.60-168,371,077.20-57,722,850.40

Finding the Fourth Proportional to 112,331,365.60, 168,371,077.20 and 57,722,850.40

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Solution

The fourth proportional to 112,331,365.60, 168,371,077.20 and 57,722,850.40 is: 86,519,543.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,331,365.60 : 168,371,077.20 = 57,722,850.40 : x
  2. Step 2: Convert to fraction form
    112,331,365.60/168,371,077.20 = 57,722,850.40/x
  3. Step 3: Cross multiply
    112,331,365.60x = 168,371,077.20 × 57,722,850.40
  4. Step 4: Simplify right side
    112,331,365.60x = 9,718,858,500,902,450
  5. Step 5: Solve for x
    x = 9,718,858,500,902,450/112,331,365.60
  6. Step 6: Final answer
    x = 86,519,543.75

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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.