Home / 102,775,963.25-141,839,798.83-56,375,185.21

Finding the Fourth Proportional to 102,775,963.25, 141,839,798.83 and 56,375,185.21

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Solution

The fourth proportional to 102,775,963.25, 141,839,798.83 and 56,375,185.21 is: 77,802,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,775,963.25 : 141,839,798.83 = 56,375,185.21 : x
  2. Step 2: Convert to fraction form
    102,775,963.25/141,839,798.83 = 56,375,185.21/x
  3. Step 3: Cross multiply
    102,775,963.25x = 141,839,798.83 × 56,375,185.21
  4. Step 4: Simplify right side
    102,775,963.25x = 7,996,244,928,694,854
  5. Step 5: Solve for x
    x = 7,996,244,928,694,854/102,775,963.25
  6. Step 6: Final answer
    x = 77,802,675.60

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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.