Home / 216,015,305.59-298,069,053.93-131,198,287.29

Finding the Fourth Proportional to 216,015,305.59, 298,069,053.93 and 131,198,287.29

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Solution

The fourth proportional to 216,015,305.59, 298,069,053.93 and 131,198,287.29 is: 181,034,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,015,305.59 : 298,069,053.93 = 131,198,287.29 : x
  2. Step 2: Convert to fraction form
    216,015,305.59/298,069,053.93 = 131,198,287.29/x
  3. Step 3: Cross multiply
    216,015,305.59x = 298,069,053.93 × 131,198,287.29
  4. Step 4: Simplify right side
    216,015,305.59x = 39,106,149,369,766,648
  5. Step 5: Solve for x
    x = 39,106,149,369,766,648/216,015,305.59
  6. Step 6: Final answer
    x = 181,034,159.89

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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.