Home / 262,135,729.60-393,455,536.80-132,889,278.40

Finding the Fourth Proportional to 262,135,729.60, 393,455,536.80 and 132,889,278.40

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Solution

The fourth proportional to 262,135,729.60, 393,455,536.80 and 132,889,278.40 is: 199,461,639.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,135,729.60 : 393,455,536.80 = 132,889,278.40 : x
  2. Step 2: Convert to fraction form
    262,135,729.60/393,455,536.80 = 132,889,278.40/x
  3. Step 3: Cross multiply
    262,135,729.60x = 393,455,536.80 × 132,889,278.40
  4. Step 4: Simplify right side
    262,135,729.60x = 52,286,022,367,836,648
  5. Step 5: Solve for x
    x = 52,286,022,367,836,648/262,135,729.60
  6. Step 6: Final answer
    x = 199,461,639.39

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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.