Home / 109,321,238.07-163,982,168.39-31,604,468.75

Finding the Fourth Proportional to 109,321,238.07, 163,982,168.39 and 31,604,468.75

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Solution

The fourth proportional to 109,321,238.07, 163,982,168.39 and 31,604,468.75 is: 47,406,793.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,321,238.07 : 163,982,168.39 = 31,604,468.75 : x
  2. Step 2: Convert to fraction form
    109,321,238.07/163,982,168.39 = 31,604,468.75/x
  3. Step 3: Cross multiply
    109,321,238.07x = 163,982,168.39 × 31,604,468.75
  4. Step 4: Simplify right side
    109,321,238.07x = 5,182,569,316,438,992
  5. Step 5: Solve for x
    x = 5,182,569,316,438,992/109,321,238.07
  6. Step 6: Final answer
    x = 47,406,793.12

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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.