Home / 71,569,661.60-107,385,985.20-33,211,431.20

Finding the Fourth Proportional to 71,569,661.60, 107,385,985.20 and 33,211,431.20

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Solution

The fourth proportional to 71,569,661.60, 107,385,985.20 and 33,211,431.20 is: 49,831,760.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,569,661.60 : 107,385,985.20 = 33,211,431.20 : x
  2. Step 2: Convert to fraction form
    71,569,661.60/107,385,985.20 = 33,211,431.20/x
  3. Step 3: Cross multiply
    71,569,661.60x = 107,385,985.20 × 33,211,431.20
  4. Step 4: Simplify right side
    71,569,661.60x = 3,566,442,259,314,018.50
  5. Step 5: Solve for x
    x = 3,566,442,259,314,018.50/71,569,661.60
  6. Step 6: Final answer
    x = 49,831,760.83

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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.