Home / 122,301,865.26-168,712,257.89-72,706,960.82

Finding the Fourth Proportional to 122,301,865.26, 168,712,257.89 and 72,706,960.82

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Solution

The fourth proportional to 122,301,865.26, 168,712,257.89 and 72,706,960.82 is: 100,297,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,301,865.26 : 168,712,257.89 = 72,706,960.82 : x
  2. Step 2: Convert to fraction form
    122,301,865.26/168,712,257.89 = 72,706,960.82/x
  3. Step 3: Cross multiply
    122,301,865.26x = 168,712,257.89 × 72,706,960.82
  4. Step 4: Simplify right side
    122,301,865.26x = 12,266,555,523,054,868
  5. Step 5: Solve for x
    x = 12,266,555,523,054,868/122,301,865.26
  6. Step 6: Final answer
    x = 100,297,370.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.