Home / 216,250,076.89-298,409,613.42-126,945,647.16

Finding the Fourth Proportional to 216,250,076.89, 298,409,613.42 and 126,945,647.16

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Solution

The fourth proportional to 216,250,076.89, 298,409,613.42 and 126,945,647.16 is: 175,175,898.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,250,076.89 : 298,409,613.42 = 126,945,647.16 : x
  2. Step 2: Convert to fraction form
    216,250,076.89/298,409,613.42 = 126,945,647.16/x
  3. Step 3: Cross multiply
    216,250,076.89x = 298,409,613.42 × 126,945,647.16
  4. Step 4: Simplify right side
    216,250,076.89x = 37,881,801,494,367,320
  5. Step 5: Solve for x
    x = 37,881,801,494,367,320/216,250,076.89
  6. Step 6: Final answer
    x = 175,175,898.38

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1.5x scale

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.