Home / 81,657,101.55-122,485,652.33-74,098,829.55

Finding the Fourth Proportional to 81,657,101.55, 122,485,652.33 and 74,098,829.55

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Solution

The fourth proportional to 81,657,101.55, 122,485,652.33 and 74,098,829.55 is: 111,148,244.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,657,101.55 : 122,485,652.33 = 74,098,829.55 : x
  2. Step 2: Convert to fraction form
    81,657,101.55/122,485,652.33 = 74,098,829.55/x
  3. Step 3: Cross multiply
    81,657,101.55x = 122,485,652.33 × 74,098,829.55
  4. Step 4: Simplify right side
    81,657,101.55x = 9,076,043,473,950,736
  5. Step 5: Solve for x
    x = 9,076,043,473,950,736/81,657,101.55
  6. Step 6: Final answer
    x = 111,148,244.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.