Home / 54,789,417.38-75,588,359.70-31,269,260.96

Finding the Fourth Proportional to 54,789,417.38, 75,588,359.70 and 31,269,260.96

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Solution

The fourth proportional to 54,789,417.38, 75,588,359.70 and 31,269,260.96 is: 43,139,574.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,789,417.38 : 75,588,359.70 = 31,269,260.96 : x
  2. Step 2: Convert to fraction form
    54,789,417.38/75,588,359.70 = 31,269,260.96/x
  3. Step 3: Cross multiply
    54,789,417.38x = 75,588,359.70 × 31,269,260.96
  4. Step 4: Simplify right side
    54,789,417.38x = 2,363,592,144,997,647.50
  5. Step 5: Solve for x
    x = 2,363,592,144,997,647.50/54,789,417.38
  6. Step 6: Final answer
    x = 43,139,574.36

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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.