Home / 89,687,757.66-123,769,107.12-48,434,650.02

Finding the Fourth Proportional to 89,687,757.66, 123,769,107.12 and 48,434,650.02

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Solution

The fourth proportional to 89,687,757.66, 123,769,107.12 and 48,434,650.02 is: 66,839,817.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,687,757.66 : 123,769,107.12 = 48,434,650.02 : x
  2. Step 2: Convert to fraction form
    89,687,757.66/123,769,107.12 = 48,434,650.02/x
  3. Step 3: Cross multiply
    89,687,757.66x = 123,769,107.12 × 48,434,650.02
  4. Step 4: Simplify right side
    89,687,757.66x = 5,994,713,386,645,091
  5. Step 5: Solve for x
    x = 5,994,713,386,645,091/89,687,757.66
  6. Step 6: Final answer
    x = 66,839,817.86

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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.