Home / 135,640,666.40-203,473,441.20-44,764,455.20

Finding the Fourth Proportional to 135,640,666.40, 203,473,441.20 and 44,764,455.20

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Solution

The fourth proportional to 135,640,666.40, 203,473,441.20 and 44,764,455.20 is: 67,150,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,640,666.40 : 203,473,441.20 = 44,764,455.20 : x
  2. Step 2: Convert to fraction form
    135,640,666.40/203,473,441.20 = 44,764,455.20/x
  3. Step 3: Cross multiply
    135,640,666.40x = 203,473,441.20 × 44,764,455.20
  4. Step 4: Simplify right side
    135,640,666.40x = 9,108,377,742,987,234
  5. Step 5: Solve for x
    x = 9,108,377,742,987,234/135,640,666.40
  6. Step 6: Final answer
    x = 67,150,788.81

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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.