Home / 55,143,746.70-82,715,620.05-30,957,276.30

Finding the Fourth Proportional to 55,143,746.70, 82,715,620.05 and 30,957,276.30

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Solution

The fourth proportional to 55,143,746.70, 82,715,620.05 and 30,957,276.30 is: 46,435,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143,746.70 : 82,715,620.05 = 30,957,276.30 : x
  2. Step 2: Convert to fraction form
    55,143,746.70/82,715,620.05 = 30,957,276.30/x
  3. Step 3: Cross multiply
    55,143,746.70x = 82,715,620.05 × 30,957,276.30
  4. Step 4: Simplify right side
    55,143,746.70x = 2,560,650,304,213,670
  5. Step 5: Solve for x
    x = 2,560,650,304,213,670/55,143,746.70
  6. Step 6: Final answer
    x = 46,435,914.45

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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.