Home / 172,383,792.56-258,424,290.08-70,233,746.48

Finding the Fourth Proportional to 172,383,792.56, 258,424,290.08 and 70,233,746.48

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Solution

The fourth proportional to 172,383,792.56, 258,424,290.08 and 70,233,746.48 is: 105,288,935.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,383,792.56 : 258,424,290.08 = 70,233,746.48 : x
  2. Step 2: Convert to fraction form
    172,383,792.56/258,424,290.08 = 70,233,746.48/x
  3. Step 3: Cross multiply
    172,383,792.56x = 258,424,290.08 × 70,233,746.48
  4. Step 4: Simplify right side
    172,383,792.56x = 18,150,106,073,752,700
  5. Step 5: Solve for x
    x = 18,150,106,073,752,700/172,383,792.56
  6. Step 6: Final answer
    x = 105,288,935.83

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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.