Home / 109,156,737.60-163,624,881.60-54,485,236.80

Finding the Fourth Proportional to 109,156,737.60, 163,624,881.60 and 54,485,236.80

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Solution

The fourth proportional to 109,156,737.60, 163,624,881.60 and 54,485,236.80 is: 81,672,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,737.60 : 163,624,881.60 = 54,485,236.80 : x
  2. Step 2: Convert to fraction form
    109,156,737.60/163,624,881.60 = 54,485,236.80/x
  3. Step 3: Cross multiply
    109,156,737.60x = 163,624,881.60 × 54,485,236.80
  4. Step 4: Simplify right side
    109,156,737.60x = 8,915,140,420,347,962
  5. Step 5: Solve for x
    x = 8,915,140,420,347,962/109,156,737.60
  6. Step 6: Final answer
    x = 81,672,836.84

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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.