Home / 89,083,890.60-133,625,835.90-74,734,983.60

Finding the Fourth Proportional to 89,083,890.60, 133,625,835.90 and 74,734,983.60

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Solution

The fourth proportional to 89,083,890.60, 133,625,835.90 and 74,734,983.60 is: 112,102,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,083,890.60 : 133,625,835.90 = 74,734,983.60 : x
  2. Step 2: Convert to fraction form
    89,083,890.60/133,625,835.90 = 74,734,983.60/x
  3. Step 3: Cross multiply
    89,083,890.60x = 133,625,835.90 × 74,734,983.60
  4. Step 4: Simplify right side
    89,083,890.60x = 9,986,524,654,522,790
  5. Step 5: Solve for x
    x = 9,986,524,654,522,790/89,083,890.60
  6. Step 6: Final answer
    x = 112,102,475.40

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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.