Home / 40,812,382.68-56,325,066.30-30,481,169.64

Finding the Fourth Proportional to 40,812,382.68, 56,325,066.30 and 30,481,169.64

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Solution

The fourth proportional to 40,812,382.68, 56,325,066.30 and 30,481,169.64 is: 42,066,985.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,812,382.68 : 56,325,066.30 = 30,481,169.64 : x
  2. Step 2: Convert to fraction form
    40,812,382.68/56,325,066.30 = 30,481,169.64/x
  3. Step 3: Cross multiply
    40,812,382.68x = 56,325,066.30 × 30,481,169.64
  4. Step 4: Simplify right side
    40,812,382.68x = 1,716,853,900,874,547
  5. Step 5: Solve for x
    x = 1,716,853,900,874,547/40,812,382.68
  6. Step 6: Final answer
    x = 42,066,985.27

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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.