Home / 88,818,255.90-122,501,564.79-76,449,400.86

Finding the Fourth Proportional to 88,818,255.90, 122,501,564.79 and 76,449,400.86

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Solution

The fourth proportional to 88,818,255.90, 122,501,564.79 and 76,449,400.86 is: 105,441,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,818,255.90 : 122,501,564.79 = 76,449,400.86 : x
  2. Step 2: Convert to fraction form
    88,818,255.90/122,501,564.79 = 76,449,400.86/x
  3. Step 3: Cross multiply
    88,818,255.90x = 122,501,564.79 × 76,449,400.86
  4. Step 4: Simplify right side
    88,818,255.90x = 9,365,171,232,607,972
  5. Step 5: Solve for x
    x = 9,365,171,232,607,972/88,818,255.90
  6. Step 6: Final answer
    x = 105,441,962.78

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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.