Home / 211,649,424.45-292,010,311.64-122,308,820.85

Finding the Fourth Proportional to 211,649,424.45, 292,010,311.64 and 122,308,820.85

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Solution

The fourth proportional to 211,649,424.45, 292,010,311.64 and 122,308,820.85 is: 168,748,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,649,424.45 : 292,010,311.64 = 122,308,820.85 : x
  2. Step 2: Convert to fraction form
    211,649,424.45/292,010,311.64 = 122,308,820.85/x
  3. Step 3: Cross multiply
    211,649,424.45x = 292,010,311.64 × 122,308,820.85
  4. Step 4: Simplify right side
    211,649,424.45x = 35,715,436,893,671,584
  5. Step 5: Solve for x
    x = 35,715,436,893,671,584/211,649,424.45
  6. Step 6: Final answer
    x = 168,748,093.63

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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.