Home / 109,321,168.32-163,982,063.57-31,604,398.97

Finding the Fourth Proportional to 109,321,168.32, 163,982,063.57 and 31,604,398.97

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Solution

The fourth proportional to 109,321,168.32, 163,982,063.57 and 31,604,398.97 is: 47,406,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,321,168.32 : 163,982,063.57 = 31,604,398.97 : x
  2. Step 2: Convert to fraction form
    109,321,168.32/163,982,063.57 = 31,604,398.97/x
  3. Step 3: Cross multiply
    109,321,168.32x = 163,982,063.57 × 31,604,398.97
  4. Step 4: Simplify right side
    109,321,168.32x = 5,182,554,560,012,250
  5. Step 5: Solve for x
    x = 5,182,554,560,012,250/109,321,168.32
  6. Step 6: Final answer
    x = 47,406,688.38

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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.