Home / 77,523,687.90-106,987,454.91-42,716,369.25

Finding the Fourth Proportional to 77,523,687.90, 106,987,454.91 and 42,716,369.25

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Solution

The fourth proportional to 77,523,687.90, 106,987,454.91 and 42,716,369.25 is: 58,951,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,523,687.90 : 106,987,454.91 = 42,716,369.25 : x
  2. Step 2: Convert to fraction form
    77,523,687.90/106,987,454.91 = 42,716,369.25/x
  3. Step 3: Cross multiply
    77,523,687.90x = 106,987,454.91 × 42,716,369.25
  4. Step 4: Simplify right side
    77,523,687.90x = 4,570,115,629,053,285
  5. Step 5: Solve for x
    x = 4,570,115,629,053,285/77,523,687.90
  6. Step 6: Final answer
    x = 58,951,215.47

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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.