Home / 216,646,285.13-298,971,873.48-123,828,785.88

Finding the Fourth Proportional to 216,646,285.13, 298,971,873.48 and 123,828,785.88

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Solution

The fourth proportional to 216,646,285.13, 298,971,873.48 and 123,828,785.88 is: 170,883,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,646,285.13 : 298,971,873.48 = 123,828,785.88 : x
  2. Step 2: Convert to fraction form
    216,646,285.13/298,971,873.48 = 123,828,785.88/x
  3. Step 3: Cross multiply
    216,646,285.13x = 298,971,873.48 × 123,828,785.88
  4. Step 4: Simplify right side
    216,646,285.13x = 37,021,324,104,678,232
  5. Step 5: Solve for x
    x = 37,021,324,104,678,232/216,646,285.13
  6. Step 6: Final answer
    x = 170,883,724.51

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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.