Home / 77,311,760.24-106,690,297.56-42,505,043.12

Finding the Fourth Proportional to 77,311,760.24, 106,690,297.56 and 42,505,043.12

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Solution

The fourth proportional to 77,311,760.24, 106,690,297.56 and 42,505,043.12 is: 58,656,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,311,760.24 : 106,690,297.56 = 42,505,043.12 : x
  2. Step 2: Convert to fraction form
    77,311,760.24/106,690,297.56 = 42,505,043.12/x
  3. Step 3: Cross multiply
    77,311,760.24x = 106,690,297.56 × 42,505,043.12
  4. Step 4: Simplify right side
    77,311,760.24x = 4,534,875,698,273,431
  5. Step 5: Solve for x
    x = 4,534,875,698,273,431/77,311,760.24
  6. Step 6: Final answer
    x = 58,656,997.13

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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.