Home / 74,325,281.70-111,487,922.55-55,193,405.70

Finding the Fourth Proportional to 74,325,281.70, 111,487,922.55 and 55,193,405.70

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Solution

The fourth proportional to 74,325,281.70, 111,487,922.55 and 55,193,405.70 is: 82,790,108.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,325,281.70 : 111,487,922.55 = 55,193,405.70 : x
  2. Step 2: Convert to fraction form
    74,325,281.70/111,487,922.55 = 55,193,405.70/x
  3. Step 3: Cross multiply
    74,325,281.70x = 111,487,922.55 × 55,193,405.70
  4. Step 4: Simplify right side
    74,325,281.70x = 6,153,398,139,952,329
  5. Step 5: Solve for x
    x = 6,153,398,139,952,329/74,325,281.70
  6. Step 6: Final answer
    x = 82,790,108.55

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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.