Home / 31,111,779.80-46,667,669.70-20,881,540.55

Finding the Fourth Proportional to 31,111,779.80, 46,667,669.70 and 20,881,540.55

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Solution

The fourth proportional to 31,111,779.80, 46,667,669.70 and 20,881,540.55 is: 31,322,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,111,779.80 : 46,667,669.70 = 20,881,540.55 : x
  2. Step 2: Convert to fraction form
    31,111,779.80/46,667,669.70 = 20,881,540.55/x
  3. Step 3: Cross multiply
    31,111,779.80x = 46,667,669.70 × 20,881,540.55
  4. Step 4: Simplify right side
    31,111,779.80x = 974,492,837,214,556.38
  5. Step 5: Solve for x
    x = 974,492,837,214,556.38/31,111,779.80
  6. Step 6: Final answer
    x = 31,322,310.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.