Home / 57,966,031.80-86,949,047.70-55,131,679.80

Finding the Fourth Proportional to 57,966,031.80, 86,949,047.70 and 55,131,679.80

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Solution

The fourth proportional to 57,966,031.80, 86,949,047.70 and 55,131,679.80 is: 82,697,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,966,031.80 : 86,949,047.70 = 55,131,679.80 : x
  2. Step 2: Convert to fraction form
    57,966,031.80/86,949,047.70 = 55,131,679.80/x
  3. Step 3: Cross multiply
    57,966,031.80x = 86,949,047.70 × 55,131,679.80
  4. Step 4: Simplify right side
    57,966,031.80x = 4,793,647,056,711,326
  5. Step 5: Solve for x
    x = 4,793,647,056,711,326/57,966,031.80
  6. Step 6: Final answer
    x = 82,697,519.70

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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.