Home / 135,121,532.46-186,462,719.24-73,240,542.42

Finding the Fourth Proportional to 135,121,532.46, 186,462,719.24 and 73,240,542.42

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Solution

The fourth proportional to 135,121,532.46, 186,462,719.24 and 73,240,542.42 is: 101,069,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,121,532.46 : 186,462,719.24 = 73,240,542.42 : x
  2. Step 2: Convert to fraction form
    135,121,532.46/186,462,719.24 = 73,240,542.42/x
  3. Step 3: Cross multiply
    135,121,532.46x = 186,462,719.24 × 73,240,542.42
  4. Step 4: Simplify right side
    135,121,532.46x = 13,656,630,698,245,772
  5. Step 5: Solve for x
    x = 13,656,630,698,245,772/135,121,532.46
  6. Step 6: Final answer
    x = 101,069,240.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.