Home / 122,280,162.13-168,747,357.58-66,525,982.49

Finding the Fourth Proportional to 122,280,162.13, 168,747,357.58 and 66,525,982.49

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Solution

The fourth proportional to 122,280,162.13, 168,747,357.58 and 66,525,982.49 is: 91,806,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,280,162.13 : 168,747,357.58 = 66,525,982.49 : x
  2. Step 2: Convert to fraction form
    122,280,162.13/168,747,357.58 = 66,525,982.49/x
  3. Step 3: Cross multiply
    122,280,162.13x = 168,747,357.58 × 66,525,982.49
  4. Step 4: Simplify right side
    122,280,162.13x = 11,226,083,755,856,402
  5. Step 5: Solve for x
    x = 11,226,083,755,856,402/122,280,162.13
  6. Step 6: Final answer
    x = 91,806,255.08

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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.