Home / 122,205,721.82-168,602,625.70-69,276,754.58

Finding the Fourth Proportional to 122,205,721.82, 168,602,625.70 and 69,276,754.58

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Solution

The fourth proportional to 122,205,721.82, 168,602,625.70 and 69,276,754.58 is: 95,578,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,205,721.82 : 168,602,625.70 = 69,276,754.58 : x
  2. Step 2: Convert to fraction form
    122,205,721.82/168,602,625.70 = 69,276,754.58/x
  3. Step 3: Cross multiply
    122,205,721.82x = 168,602,625.70 × 69,276,754.58
  4. Step 4: Simplify right side
    122,205,721.82x = 11,680,242,721,146,296
  5. Step 5: Solve for x
    x = 11,680,242,721,146,296/122,205,721.82
  6. Step 6: Final answer
    x = 95,578,525.68

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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.