Home / 121,616,100.91-182,715,176.94-77,982,347.80

Finding the Fourth Proportional to 121,616,100.91, 182,715,176.94 and 77,982,347.80

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Solution

The fourth proportional to 121,616,100.91, 182,715,176.94 and 77,982,347.80 is: 117,160,132.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,616,100.91 : 182,715,176.94 = 77,982,347.80 : x
  2. Step 2: Convert to fraction form
    121,616,100.91/182,715,176.94 = 77,982,347.80/x
  3. Step 3: Cross multiply
    121,616,100.91x = 182,715,176.94 × 77,982,347.80
  4. Step 4: Simplify right side
    121,616,100.91x = 14,248,558,476,473,620
  5. Step 5: Solve for x
    x = 14,248,558,476,473,620/121,616,100.91
  6. Step 6: Final answer
    x = 117,160,132.33

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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.