Home / 82,675,617.68-114,084,936.68-47,870,657.20

Finding the Fourth Proportional to 82,675,617.68, 114,084,936.68 and 47,870,657.20

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Solution

The fourth proportional to 82,675,617.68, 114,084,936.68 and 47,870,657.20 is: 66,057,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,675,617.68 : 114,084,936.68 = 47,870,657.20 : x
  2. Step 2: Convert to fraction form
    82,675,617.68/114,084,936.68 = 47,870,657.20/x
  3. Step 3: Cross multiply
    82,675,617.68x = 114,084,936.68 × 47,870,657.20
  4. Step 4: Simplify right side
    82,675,617.68x = 5,461,320,895,491,987
  5. Step 5: Solve for x
    x = 5,461,320,895,491,987/82,675,617.68
  6. Step 6: Final answer
    x = 66,057,213.10

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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.