Home / 122,357,369.44-168,856,650.60-66,606,385.28

Finding the Fourth Proportional to 122,357,369.44, 168,856,650.60 and 66,606,385.28

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Solution

The fourth proportional to 122,357,369.44, 168,856,650.60 and 66,606,385.28 is: 91,918,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,357,369.44 : 168,856,650.60 = 66,606,385.28 : x
  2. Step 2: Convert to fraction form
    122,357,369.44/168,856,650.60 = 66,606,385.28/x
  3. Step 3: Cross multiply
    122,357,369.44x = 168,856,650.60 × 66,606,385.28
  4. Step 4: Simplify right side
    122,357,369.44x = 11,246,931,126,953,942
  5. Step 5: Solve for x
    x = 11,246,931,126,953,942/122,357,369.44
  6. Step 6: Final answer
    x = 91,918,706.48

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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.