Home / 79,382,520.54-119,052,523.15-21,861,118.17

Finding the Fourth Proportional to 79,382,520.54, 119,052,523.15 and 21,861,118.17

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Solution

The fourth proportional to 79,382,520.54, 119,052,523.15 and 21,861,118.17 is: 32,785,823.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,382,520.54 : 119,052,523.15 = 21,861,118.17 : x
  2. Step 2: Convert to fraction form
    79,382,520.54/119,052,523.15 = 21,861,118.17/x
  3. Step 3: Cross multiply
    79,382,520.54x = 119,052,523.15 × 21,861,118.17
  4. Step 4: Simplify right side
    79,382,520.54x = 2,602,621,276,964,158
  5. Step 5: Solve for x
    x = 2,602,621,276,964,158/79,382,520.54
  6. Step 6: Final answer
    x = 32,785,823.12

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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.