Home / 53,206,861.51-73,425,436.54-28,760,575.51

Finding the Fourth Proportional to 53,206,861.51, 73,425,436.54 and 28,760,575.51

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Solution

The fourth proportional to 53,206,861.51, 73,425,436.54 and 28,760,575.51 is: 39,689,576.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,206,861.51 : 73,425,436.54 = 28,760,575.51 : x
  2. Step 2: Convert to fraction form
    53,206,861.51/73,425,436.54 = 28,760,575.51/x
  3. Step 3: Cross multiply
    53,206,861.51x = 73,425,436.54 × 28,760,575.51
  4. Step 4: Simplify right side
    53,206,861.51x = 2,111,757,811,963,383.50
  5. Step 5: Solve for x
    x = 2,111,757,811,963,383.50/53,206,861.51
  6. Step 6: Final answer
    x = 39,689,576.72

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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.