Home / 132,858,068.40-199,318,595.40-68,171,857.20

Finding the Fourth Proportional to 132,858,068.40, 199,318,595.40 and 68,171,857.20

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Solution

The fourth proportional to 132,858,068.40, 199,318,595.40 and 68,171,857.20 is: 102,273,945.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,858,068.40 : 199,318,595.40 = 68,171,857.20 : x
  2. Step 2: Convert to fraction form
    132,858,068.40/199,318,595.40 = 68,171,857.20/x
  3. Step 3: Cross multiply
    132,858,068.40x = 199,318,595.40 × 68,171,857.20
  4. Step 4: Simplify right side
    132,858,068.40x = 13,587,918,822,913,378
  5. Step 5: Solve for x
    x = 13,587,918,822,913,378/132,858,068.40
  6. Step 6: Final answer
    x = 102,273,945.32

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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.