Home / 123,661,830.25-185,498,710.35-40,661,744.50

Finding the Fourth Proportional to 123,661,830.25, 185,498,710.35 and 40,661,744.50

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Solution

The fourth proportional to 123,661,830.25, 185,498,710.35 and 40,661,744.50 is: 60,994,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,661,830.25 : 185,498,710.35 = 40,661,744.50 : x
  2. Step 2: Convert to fraction form
    123,661,830.25/185,498,710.35 = 40,661,744.50/x
  3. Step 3: Cross multiply
    123,661,830.25x = 185,498,710.35 × 40,661,744.50
  4. Step 4: Simplify right side
    123,661,830.25x = 7,542,701,165,331,205
  5. Step 5: Solve for x
    x = 7,542,701,165,331,205/123,661,830.25
  6. Step 6: Final answer
    x = 60,994,578.12

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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.