Home / 98,820,821.78-136,372,746.98-54,770,664.58

Finding the Fourth Proportional to 98,820,821.78, 136,372,746.98 and 54,770,664.58

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Solution

The fourth proportional to 98,820,821.78, 136,372,746.98 and 54,770,664.58 is: 75,583,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,820,821.78 : 136,372,746.98 = 54,770,664.58 : x
  2. Step 2: Convert to fraction form
    98,820,821.78/136,372,746.98 = 54,770,664.58/x
  3. Step 3: Cross multiply
    98,820,821.78x = 136,372,746.98 × 54,770,664.58
  4. Step 4: Simplify right side
    98,820,821.78x = 7,469,225,982,012,924
  5. Step 5: Solve for x
    x = 7,469,225,982,012,924/98,820,821.78
  6. Step 6: Final answer
    x = 75,583,524.28

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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.