Home / 77,169,710.80-106,491,442.44-43,678,471.24

Finding the Fourth Proportional to 77,169,710.80, 106,491,442.44 and 43,678,471.24

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Solution

The fourth proportional to 77,169,710.80, 106,491,442.44 and 43,678,471.24 is: 60,274,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,169,710.80 : 106,491,442.44 = 43,678,471.24 : x
  2. Step 2: Convert to fraction form
    77,169,710.80/106,491,442.44 = 43,678,471.24/x
  3. Step 3: Cross multiply
    77,169,710.80x = 106,491,442.44 × 43,678,471.24
  4. Step 4: Simplify right side
    77,169,710.80x = 4,651,383,405,921,656
  5. Step 5: Solve for x
    x = 4,651,383,405,921,656/77,169,710.80
  6. Step 6: Final answer
    x = 60,274,729.01

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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.