Home / 88,953,762.22-122,692,910.44-81,635,230.78

Finding the Fourth Proportional to 88,953,762.22, 122,692,910.44 and 81,635,230.78

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Solution

The fourth proportional to 88,953,762.22, 122,692,910.44 and 81,635,230.78 is: 112,598,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,953,762.22 : 122,692,910.44 = 81,635,230.78 : x
  2. Step 2: Convert to fraction form
    88,953,762.22/122,692,910.44 = 81,635,230.78/x
  3. Step 3: Cross multiply
    88,953,762.22x = 122,692,910.44 × 81,635,230.78
  4. Step 4: Simplify right side
    88,953,762.22x = 10,016,064,058,839,272
  5. Step 5: Solve for x
    x = 10,016,064,058,839,272/88,953,762.22
  6. Step 6: Final answer
    x = 112,598,543.43

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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.