Home / 54,501,854.28-81,405,347.01-49,306,485.48

Finding the Fourth Proportional to 54,501,854.28, 81,405,347.01 and 49,306,485.48

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Solution

The fourth proportional to 54,501,854.28, 81,405,347.01 and 49,306,485.48 is: 73,645,412.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,501,854.28 : 81,405,347.01 = 49,306,485.48 : x
  2. Step 2: Convert to fraction form
    54,501,854.28/81,405,347.01 = 49,306,485.48/x
  3. Step 3: Cross multiply
    54,501,854.28x = 81,405,347.01 × 49,306,485.48
  4. Step 4: Simplify right side
    54,501,854.28x = 4,013,811,560,342,926.50
  5. Step 5: Solve for x
    x = 4,013,811,560,342,926.50/54,501,854.28
  6. Step 6: Final answer
    x = 73,645,412.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.