Home / 187,279,650.80-280,919,476.20-153,239,433.20

Finding the Fourth Proportional to 187,279,650.80, 280,919,476.20 and 153,239,433.20

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Solution

The fourth proportional to 187,279,650.80, 280,919,476.20 and 153,239,433.20 is: 229,859,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,279,650.80 : 280,919,476.20 = 153,239,433.20 : x
  2. Step 2: Convert to fraction form
    187,279,650.80/280,919,476.20 = 153,239,433.20/x
  3. Step 3: Cross multiply
    187,279,650.80x = 280,919,476.20 × 153,239,433.20
  4. Step 4: Simplify right side
    187,279,650.80x = 43,047,941,307,728,888
  5. Step 5: Solve for x
    x = 43,047,941,307,728,888/187,279,650.80
  6. Step 6: Final answer
    x = 229,859,149.80

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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.