Home / 109,934,768.40-165,028,123.80-64,522,150.80

Finding the Fourth Proportional to 109,934,768.40, 165,028,123.80 and 64,522,150.80

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Solution

The fourth proportional to 109,934,768.40, 165,028,123.80 and 64,522,150.80 is: 96,857,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,934,768.40 : 165,028,123.80 = 64,522,150.80 : x
  2. Step 2: Convert to fraction form
    109,934,768.40/165,028,123.80 = 64,522,150.80/x
  3. Step 3: Cross multiply
    109,934,768.40x = 165,028,123.80 × 64,522,150.80
  4. Step 4: Simplify right side
    109,934,768.40x = 10,647,969,490,064,670
  5. Step 5: Solve for x
    x = 10,647,969,490,064,670/109,934,768.40
  6. Step 6: Final answer
    x = 96,857,160.34

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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.