Home / 211,250,762.76-316,652,499.01-71,057,760.92

Finding the Fourth Proportional to 211,250,762.76, 316,652,499.01 and 71,057,760.92

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Solution

The fourth proportional to 211,250,762.76, 316,652,499.01 and 71,057,760.92 is: 106,511,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,250,762.76 : 316,652,499.01 = 71,057,760.92 : x
  2. Step 2: Convert to fraction form
    211,250,762.76/316,652,499.01 = 71,057,760.92/x
  3. Step 3: Cross multiply
    211,250,762.76x = 316,652,499.01 × 71,057,760.92
  4. Step 4: Simplify right side
    211,250,762.76x = 22,500,617,567,670,268
  5. Step 5: Solve for x
    x = 22,500,617,567,670,268/211,250,762.76
  6. Step 6: Final answer
    x = 106,511,414.55

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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.