Home / 79,590,040.80-119,448,046.80-31,091,128.80

Finding the Fourth Proportional to 79,590,040.80, 119,448,046.80 and 31,091,128.80

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Solution

The fourth proportional to 79,590,040.80, 119,448,046.80 and 31,091,128.80 is: 46,661,297.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,590,040.80 : 119,448,046.80 = 31,091,128.80 : x
  2. Step 2: Convert to fraction form
    79,590,040.80/119,448,046.80 = 31,091,128.80/x
  3. Step 3: Cross multiply
    79,590,040.80x = 119,448,046.80 × 31,091,128.80
  4. Step 4: Simplify right side
    79,590,040.80x = 3,713,774,607,967,228
  5. Step 5: Solve for x
    x = 3,713,774,607,967,228/79,590,040.80
  6. Step 6: Final answer
    x = 46,661,297.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.