Home / 58,252,139.40-87,378,209.10-40,112,286.60

Finding the Fourth Proportional to 58,252,139.40, 87,378,209.10 and 40,112,286.60

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Solution

The fourth proportional to 58,252,139.40, 87,378,209.10 and 40,112,286.60 is: 60,168,429.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,252,139.40 : 87,378,209.10 = 40,112,286.60 : x
  2. Step 2: Convert to fraction form
    58,252,139.40/87,378,209.10 = 40,112,286.60/x
  3. Step 3: Cross multiply
    58,252,139.40x = 87,378,209.10 × 40,112,286.60
  4. Step 4: Simplify right side
    58,252,139.40x = 3,504,939,766,013,928
  5. Step 5: Solve for x
    x = 3,504,939,766,013,928/58,252,139.40
  6. Step 6: Final answer
    x = 60,168,429.90

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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.