Home / 144,967,876.12-200,058,076.93-78,891,159.38

Finding the Fourth Proportional to 144,967,876.12, 200,058,076.93 and 78,891,159.38

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Solution

The fourth proportional to 144,967,876.12, 200,058,076.93 and 78,891,159.38 is: 108,871,110.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,967,876.12 : 200,058,076.93 = 78,891,159.38 : x
  2. Step 2: Convert to fraction form
    144,967,876.12/200,058,076.93 = 78,891,159.38/x
  3. Step 3: Cross multiply
    144,967,876.12x = 200,058,076.93 × 78,891,159.38
  4. Step 4: Simplify right side
    144,967,876.12x = 15,782,813,632,195,370
  5. Step 5: Solve for x
    x = 15,782,813,632,195,370/144,967,876.12
  6. Step 6: Final answer
    x = 108,871,110.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.