Home / 187,315,483.28-280,876,411.89-82,227,815.06

Finding the Fourth Proportional to 187,315,483.28, 280,876,411.89 and 82,227,815.06

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Solution

The fourth proportional to 187,315,483.28, 280,876,411.89 and 82,227,815.06 is: 123,299,223.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,315,483.28 : 280,876,411.89 = 82,227,815.06 : x
  2. Step 2: Convert to fraction form
    187,315,483.28/280,876,411.89 = 82,227,815.06/x
  3. Step 3: Cross multiply
    187,315,483.28x = 280,876,411.89 × 82,227,815.06
  4. Step 4: Simplify right side
    187,315,483.28x = 23,095,853,651,782,852
  5. Step 5: Solve for x
    x = 23,095,853,651,782,852/187,315,483.28
  6. Step 6: Final answer
    x = 123,299,223.57

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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.