Home / 81,086,400.94-111,901,040.09-46,278,392.98

Finding the Fourth Proportional to 81,086,400.94, 111,901,040.09 and 46,278,392.98

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Solution

The fourth proportional to 81,086,400.94, 111,901,040.09 and 46,278,392.98 is: 63,865,213.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,086,400.94 : 111,901,040.09 = 46,278,392.98 : x
  2. Step 2: Convert to fraction form
    81,086,400.94/111,901,040.09 = 46,278,392.98/x
  3. Step 3: Cross multiply
    81,086,400.94x = 111,901,040.09 × 46,278,392.98
  4. Step 4: Simplify right side
    81,086,400.94x = 5,178,600,308,155,754
  5. Step 5: Solve for x
    x = 5,178,600,308,155,754/81,086,400.94
  6. Step 6: Final answer
    x = 63,865,213.50

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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.