Home / 132,860,857.60-199,291,286.40-68,290,776.10

Finding the Fourth Proportional to 132,860,857.60, 199,291,286.40 and 68,290,776.10

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Solution

The fourth proportional to 132,860,857.60, 199,291,286.40 and 68,290,776.10 is: 102,436,164.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,860,857.60 : 199,291,286.40 = 68,290,776.10 : x
  2. Step 2: Convert to fraction form
    132,860,857.60/199,291,286.40 = 68,290,776.10/x
  3. Step 3: Cross multiply
    132,860,857.60x = 199,291,286.40 × 68,290,776.10
  4. Step 4: Simplify right side
    132,860,857.60x = 13,609,756,618,223,374
  5. Step 5: Solve for x
    x = 13,609,756,618,223,374/132,860,857.60
  6. Step 6: Final answer
    x = 102,436,164.15

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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.