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Finding the Fourth Proportional to 101,046,012.40, 151,569,018.60 and 36,359,801.20

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Solution

The fourth proportional to 101,046,012.40, 151,569,018.60 and 36,359,801.20 is: 54,539,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,046,012.40 : 151,569,018.60 = 36,359,801.20 : x
  2. Step 2: Convert to fraction form
    101,046,012.40/151,569,018.60 = 36,359,801.20/x
  3. Step 3: Cross multiply
    101,046,012.40x = 151,569,018.60 × 36,359,801.20
  4. Step 4: Simplify right side
    101,046,012.40x = 5,511,019,384,375,103
  5. Step 5: Solve for x
    x = 5,511,019,384,375,103/101,046,012.40
  6. Step 6: Final answer
    x = 54,539,701.80

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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.