Home / 40,812,382.18-56,325,065.61-30,481,169.14

Finding the Fourth Proportional to 40,812,382.18, 56,325,065.61 and 30,481,169.14

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Solution

The fourth proportional to 40,812,382.18, 56,325,065.61 and 30,481,169.14 is: 42,066,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,812,382.18 : 56,325,065.61 = 30,481,169.14 : x
  2. Step 2: Convert to fraction form
    40,812,382.18/56,325,065.61 = 30,481,169.14/x
  3. Step 3: Cross multiply
    40,812,382.18x = 56,325,065.61 × 30,481,169.14
  4. Step 4: Simplify right side
    40,812,382.18x = 1,716,853,851,680,007.25
  5. Step 5: Solve for x
    x = 1,716,853,851,680,007.25/40,812,382.18
  6. Step 6: Final answer
    x = 42,066,984.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.