Home / 216,015,305.46-298,069,053.76-131,198,287.16

Finding the Fourth Proportional to 216,015,305.46, 298,069,053.76 and 131,198,287.16

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Solution

The fourth proportional to 216,015,305.46, 298,069,053.76 and 131,198,287.16 is: 181,034,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,015,305.46 : 298,069,053.76 = 131,198,287.16 : x
  2. Step 2: Convert to fraction form
    216,015,305.46/298,069,053.76 = 131,198,287.16/x
  3. Step 3: Cross multiply
    216,015,305.46x = 298,069,053.76 × 131,198,287.16
  4. Step 4: Simplify right side
    216,015,305.46x = 39,106,149,308,713,952
  5. Step 5: Solve for x
    x = 39,106,149,308,713,952/216,015,305.46
  6. Step 6: Final answer
    x = 181,034,159.71

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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.