Home / 216,063,619.48-298,167,769.74-116,944,348.78

Finding the Fourth Proportional to 216,063,619.48, 298,167,769.74 and 116,944,348.78

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Solution

The fourth proportional to 216,063,619.48, 298,167,769.74 and 116,944,348.78 is: 161,383,187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,063,619.48 : 298,167,769.74 = 116,944,348.78 : x
  2. Step 2: Convert to fraction form
    216,063,619.48/298,167,769.74 = 116,944,348.78/x
  3. Step 3: Cross multiply
    216,063,619.48x = 298,167,769.74 × 116,944,348.78
  4. Step 4: Simplify right side
    216,063,619.48x = 34,869,035,659,429,292
  5. Step 5: Solve for x
    x = 34,869,035,659,429,292/216,063,619.48
  6. Step 6: Final answer
    x = 161,383,187.71

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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.