Home / 87,940,011.60-131,910,017.40-73,831,237.20

Finding the Fourth Proportional to 87,940,011.60, 131,910,017.40 and 73,831,237.20

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Solution

The fourth proportional to 87,940,011.60, 131,910,017.40 and 73,831,237.20 is: 110,746,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,940,011.60 : 131,910,017.40 = 73,831,237.20 : x
  2. Step 2: Convert to fraction form
    87,940,011.60/131,910,017.40 = 73,831,237.20/x
  3. Step 3: Cross multiply
    87,940,011.60x = 131,910,017.40 × 73,831,237.20
  4. Step 4: Simplify right side
    87,940,011.60x = 9,739,079,783,715,528
  5. Step 5: Solve for x
    x = 9,739,079,783,715,528/87,940,011.60
  6. Step 6: Final answer
    x = 110,746,855.80

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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.