Home / 132,870,579.60-199,305,869.40-61,206,963.60

Finding the Fourth Proportional to 132,870,579.60, 199,305,869.40 and 61,206,963.60

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Solution

The fourth proportional to 132,870,579.60, 199,305,869.40 and 61,206,963.60 is: 91,810,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,870,579.60 : 199,305,869.40 = 61,206,963.60 : x
  2. Step 2: Convert to fraction form
    132,870,579.60/199,305,869.40 = 61,206,963.60/x
  3. Step 3: Cross multiply
    132,870,579.60x = 199,305,869.40 × 61,206,963.60
  4. Step 4: Simplify right side
    132,870,579.60x = 12,198,907,093,632,154
  5. Step 5: Solve for x
    x = 12,198,907,093,632,154/132,870,579.60
  6. Step 6: Final answer
    x = 91,810,445.40

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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.