Home / 47,481,319.96-71,221,867.14-31,189,442.20

Finding the Fourth Proportional to 47,481,319.96, 71,221,867.14 and 31,189,442.20

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Solution

The fourth proportional to 47,481,319.96, 71,221,867.14 and 31,189,442.20 is: 46,784,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,481,319.96 : 71,221,867.14 = 31,189,442.20 : x
  2. Step 2: Convert to fraction form
    47,481,319.96/71,221,867.14 = 31,189,442.20/x
  3. Step 3: Cross multiply
    47,481,319.96x = 71,221,867.14 × 31,189,442.20
  4. Step 4: Simplify right side
    47,481,319.96x = 2,221,370,308,539,109.25
  5. Step 5: Solve for x
    x = 2,221,370,308,539,109.25/47,481,319.96
  6. Step 6: Final answer
    x = 46,784,089.20

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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.