Home / 81,652,800.60-122,479,200.90-73,338,701.40

Finding the Fourth Proportional to 81,652,800.60, 122,479,200.90 and 73,338,701.40

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Solution

The fourth proportional to 81,652,800.60, 122,479,200.90 and 73,338,701.40 is: 110,008,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,652,800.60 : 122,479,200.90 = 73,338,701.40 : x
  2. Step 2: Convert to fraction form
    81,652,800.60/122,479,200.90 = 73,338,701.40/x
  3. Step 3: Cross multiply
    81,652,800.60x = 122,479,200.90 × 73,338,701.40
  4. Step 4: Simplify right side
    81,652,800.60x = 8,982,465,542,515,712
  5. Step 5: Solve for x
    x = 8,982,465,542,515,712/81,652,800.60
  6. Step 6: Final answer
    x = 110,008,052.10

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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.