Home / 132,945,209.40-199,417,814.10-87,558,252.60

Finding the Fourth Proportional to 132,945,209.40, 199,417,814.10 and 87,558,252.60

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Solution

The fourth proportional to 132,945,209.40, 199,417,814.10 and 87,558,252.60 is: 131,337,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,945,209.40 : 199,417,814.10 = 87,558,252.60 : x
  2. Step 2: Convert to fraction form
    132,945,209.40/199,417,814.10 = 87,558,252.60/x
  3. Step 3: Cross multiply
    132,945,209.40x = 199,417,814.10 × 87,558,252.60
  4. Step 4: Simplify right side
    132,945,209.40x = 17,460,675,339,907,640
  5. Step 5: Solve for x
    x = 17,460,675,339,907,640/132,945,209.40
  6. Step 6: Final answer
    x = 131,337,378.90

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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.