Home / 132,857,862.40-199,286,793.60-87,470,905.60

Finding the Fourth Proportional to 132,857,862.40, 199,286,793.60 and 87,470,905.60

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Solution

The fourth proportional to 132,857,862.40, 199,286,793.60 and 87,470,905.60 is: 131,206,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,857,862.40 : 199,286,793.60 = 87,470,905.60 : x
  2. Step 2: Convert to fraction form
    132,857,862.40/199,286,793.60 = 87,470,905.60/x
  3. Step 3: Cross multiply
    132,857,862.40x = 199,286,793.60 × 87,470,905.60
  4. Step 4: Simplify right side
    132,857,862.40x = 17,431,796,310,312,282
  5. Step 5: Solve for x
    x = 17,431,796,310,312,282/132,857,862.40
  6. Step 6: Final answer
    x = 131,206,358.40

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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.