Home / 89,489,191.20-134,233,786.80-31,983,338.40

Finding the Fourth Proportional to 89,489,191.20, 134,233,786.80 and 31,983,338.40

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Solution

The fourth proportional to 89,489,191.20, 134,233,786.80 and 31,983,338.40 is: 47,975,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,489,191.20 : 134,233,786.80 = 31,983,338.40 : x
  2. Step 2: Convert to fraction form
    89,489,191.20/134,233,786.80 = 31,983,338.40/x
  3. Step 3: Cross multiply
    89,489,191.20x = 134,233,786.80 × 31,983,338.40
  4. Step 4: Simplify right side
    89,489,191.20x = 4,293,244,627,937,853.50
  5. Step 5: Solve for x
    x = 4,293,244,627,937,853.50/89,489,191.20
  6. Step 6: Final answer
    x = 47,975,007.60

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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.