Home / 122,532,773.82-169,095,254.50-66,778,207.44

Finding the Fourth Proportional to 122,532,773.82, 169,095,254.50 and 66,778,207.44

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Solution

The fourth proportional to 122,532,773.82, 169,095,254.50 and 66,778,207.44 is: 92,153,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,532,773.82 : 169,095,254.50 = 66,778,207.44 : x
  2. Step 2: Convert to fraction form
    122,532,773.82/169,095,254.50 = 66,778,207.44/x
  3. Step 3: Cross multiply
    122,532,773.82x = 169,095,254.50 × 66,778,207.44
  4. Step 4: Simplify right side
    122,532,773.82x = 11,291,877,982,120,594
  5. Step 5: Solve for x
    x = 11,291,877,982,120,594/122,532,773.82
  6. Step 6: Final answer
    x = 92,153,940.78

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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.