Home / 109,188,842.80-163,666,737.60-54,493,722.40

Finding the Fourth Proportional to 109,188,842.80, 163,666,737.60 and 54,493,722.40

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Solution

The fourth proportional to 109,188,842.80, 163,666,737.60 and 54,493,722.40 is: 81,682,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,188,842.80 : 163,666,737.60 = 54,493,722.40 : x
  2. Step 2: Convert to fraction form
    109,188,842.80/163,666,737.60 = 54,493,722.40/x
  3. Step 3: Cross multiply
    109,188,842.80x = 163,666,737.60 × 54,493,722.40
  4. Step 4: Simplify right side
    109,188,842.80x = 8,918,809,764,888,042
  5. Step 5: Solve for x
    x = 8,918,809,764,888,042/109,188,842.80
  6. Step 6: Final answer
    x = 81,682,427.77

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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.