Home / 389,895,867.52-584,839,290.66-94,792,661.80

Finding the Fourth Proportional to 389,895,867.52, 584,839,290.66 and 94,792,661.80

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Solution

The fourth proportional to 389,895,867.52, 584,839,290.66 and 94,792,661.80 is: 142,187,896.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,895,867.52 : 584,839,290.66 = 94,792,661.80 : x
  2. Step 2: Convert to fraction form
    389,895,867.52/584,839,290.66 = 94,792,661.80/x
  3. Step 3: Cross multiply
    389,895,867.52x = 584,839,290.66 × 94,792,661.80
  4. Step 4: Simplify right side
    389,895,867.52x = 55,438,473,086,885,272
  5. Step 5: Solve for x
    x = 55,438,473,086,885,272/389,895,867.52
  6. Step 6: Final answer
    x = 142,187,896.06

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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.