Home / 53,206,820.32-73,425,379.60-28,760,534.32

Finding the Fourth Proportional to 53,206,820.32, 73,425,379.60 and 28,760,534.32

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Solution

The fourth proportional to 53,206,820.32, 73,425,379.60 and 28,760,534.32 is: 39,689,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,206,820.32 : 73,425,379.60 = 28,760,534.32 : x
  2. Step 2: Convert to fraction form
    53,206,820.32/73,425,379.60 = 28,760,534.32/x
  3. Step 3: Cross multiply
    53,206,820.32x = 73,425,379.60 × 28,760,534.32
  4. Step 4: Simplify right side
    53,206,820.32x = 2,111,753,149,944,827.75
  5. Step 5: Solve for x
    x = 2,111,753,149,944,827.75/53,206,820.32
  6. Step 6: Final answer
    x = 39,689,519.83

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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.