Home / 258,634,355.82-388,002,640.28-94,873,632.90

Finding the Fourth Proportional to 258,634,355.82, 388,002,640.28 and 94,873,632.90

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Solution

The fourth proportional to 258,634,355.82, 388,002,640.28 and 94,873,632.90 is: 142,329,196.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,634,355.82 : 388,002,640.28 = 94,873,632.90 : x
  2. Step 2: Convert to fraction form
    258,634,355.82/388,002,640.28 = 94,873,632.90/x
  3. Step 3: Cross multiply
    258,634,355.82x = 388,002,640.28 × 94,873,632.90
  4. Step 4: Simplify right side
    258,634,355.82x = 36,811,220,057,681,104
  5. Step 5: Solve for x
    x = 36,811,220,057,681,104/258,634,355.82
  6. Step 6: Final answer
    x = 142,329,196.53

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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.