Home / 187,288,287.40-280,932,431.10-183,461,912.20

Finding the Fourth Proportional to 187,288,287.40, 280,932,431.10 and 183,461,912.20

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Solution

The fourth proportional to 187,288,287.40, 280,932,431.10 and 183,461,912.20 is: 275,192,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,288,287.40 : 280,932,431.10 = 183,461,912.20 : x
  2. Step 2: Convert to fraction form
    187,288,287.40/280,932,431.10 = 183,461,912.20/x
  3. Step 3: Cross multiply
    187,288,287.40x = 280,932,431.10 × 183,461,912.20
  4. Step 4: Simplify right side
    187,288,287.40x = 51,540,401,008,600,752
  5. Step 5: Solve for x
    x = 51,540,401,008,600,752/187,288,287.40
  6. Step 6: Final answer
    x = 275,192,868.30

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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.