Home / 216,016,450.29-298,070,634.09-131,199,432

Finding the Fourth Proportional to 216,016,450.29, 298,070,634.09 and 131,199,432

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Solution

The fourth proportional to 216,016,450.29, 298,070,634.09 and 131,199,432 is: 181,035,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,016,450.29 : 298,070,634.09 = 131,199,432 : x
  2. Step 2: Convert to fraction form
    216,016,450.29/298,070,634.09 = 131,199,432/x
  3. Step 3: Cross multiply
    216,016,450.29x = 298,070,634.09 × 131,199,432
  4. Step 4: Simplify right side
    216,016,450.29x = 39,106,697,888,487,832
  5. Step 5: Solve for x
    x = 39,106,697,888,487,832/216,016,450.29
  6. Step 6: Final answer
    x = 181,035,739.81

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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.