Home / 187,288,286.40-280,932,429.60-183,461,911.20

Finding the Fourth Proportional to 187,288,286.40, 280,932,429.60 and 183,461,911.20

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Solution

The fourth proportional to 187,288,286.40, 280,932,429.60 and 183,461,911.20 is: 275,192,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,288,286.40 : 280,932,429.60 = 183,461,911.20 : x
  2. Step 2: Convert to fraction form
    187,288,286.40/280,932,429.60 = 183,461,911.20/x
  3. Step 3: Cross multiply
    187,288,286.40x = 280,932,429.60 × 183,461,911.20
  4. Step 4: Simplify right side
    187,288,286.40x = 51,540,400,452,475,456
  5. Step 5: Solve for x
    x = 51,540,400,452,475,456/187,288,286.40
  6. Step 6: Final answer
    x = 275,192,866.80

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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.