Home / 187,315,480.40-280,876,407.57-82,227,812.18

Finding the Fourth Proportional to 187,315,480.40, 280,876,407.57 and 82,227,812.18

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Solution

The fourth proportional to 187,315,480.40, 280,876,407.57 and 82,227,812.18 is: 123,299,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,315,480.40 : 280,876,407.57 = 82,227,812.18 : x
  2. Step 2: Convert to fraction form
    187,315,480.40/280,876,407.57 = 82,227,812.18/x
  3. Step 3: Cross multiply
    187,315,480.40x = 280,876,407.57 × 82,227,812.18
  4. Step 4: Simplify right side
    187,315,480.40x = 23,095,852,486,054,708
  5. Step 5: Solve for x
    x = 23,095,852,486,054,708/187,315,480.40
  6. Step 6: Final answer
    x = 123,299,219.25

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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.