Home / 216,016,449.29-298,070,632.71-131,199,431.00

Finding the Fourth Proportional to 216,016,449.29, 298,070,632.71 and 131,199,431.00

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Solution

The fourth proportional to 216,016,449.29, 298,070,632.71 and 131,199,431.00 is: 181,035,738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,016,449.29 : 298,070,632.71 = 131,199,431.00 : x
  2. Step 2: Convert to fraction form
    216,016,449.29/298,070,632.71 = 131,199,431.00/x
  3. Step 3: Cross multiply
    216,016,449.29x = 298,070,632.71 × 131,199,431.00
  4. Step 4: Simplify right side
    216,016,449.29x = 39,106,697,410,107,160
  5. Step 5: Solve for x
    x = 39,106,697,410,107,160/216,016,449.29
  6. Step 6: Final answer
    x = 181,035,738.43

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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.