Home / 262,151,901.60-393,479,794.80-132,905,450.40

Finding the Fourth Proportional to 262,151,901.60, 393,479,794.80 and 132,905,450.40

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Solution

The fourth proportional to 262,151,901.60, 393,479,794.80 and 132,905,450.40 is: 199,485,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,151,901.60 : 393,479,794.80 = 132,905,450.40 : x
  2. Step 2: Convert to fraction form
    262,151,901.60/393,479,794.80 = 132,905,450.40/x
  3. Step 3: Cross multiply
    262,151,901.60x = 393,479,794.80 × 132,905,450.40
  4. Step 4: Simplify right side
    262,151,901.60x = 52,295,609,351,193,584
  5. Step 5: Solve for x
    x = 52,295,609,351,193,584/262,151,901.60
  6. Step 6: Final answer
    x = 199,485,905.05

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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.