Home / 89,642,995.66-123,704,067.98-49,948,475.45

Finding the Fourth Proportional to 89,642,995.66, 123,704,067.98 and 49,948,475.45

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Solution

The fourth proportional to 89,642,995.66, 123,704,067.98 and 49,948,475.45 is: 68,927,076.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,642,995.66 : 123,704,067.98 = 49,948,475.45 : x
  2. Step 2: Convert to fraction form
    89,642,995.66/123,704,067.98 = 49,948,475.45/x
  3. Step 3: Cross multiply
    89,642,995.66x = 123,704,067.98 × 49,948,475.45
  4. Step 4: Simplify right side
    89,642,995.66x = 6,178,829,602,314,419
  5. Step 5: Solve for x
    x = 6,178,829,602,314,419/89,642,995.66
  6. Step 6: Final answer
    x = 68,927,076.31

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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.