Home / 54,668,355.72-75,443,905.56-30,223,644.36

Finding the Fourth Proportional to 54,668,355.72, 75,443,905.56 and 30,223,644.36

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Solution

The fourth proportional to 54,668,355.72, 75,443,905.56 and 30,223,644.36 is: 41,709,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,668,355.72 : 75,443,905.56 = 30,223,644.36 : x
  2. Step 2: Convert to fraction form
    54,668,355.72/75,443,905.56 = 30,223,644.36/x
  3. Step 3: Cross multiply
    54,668,355.72x = 75,443,905.56 × 30,223,644.36
  4. Step 4: Simplify right side
    54,668,355.72x = 2,280,189,770,774,866.50
  5. Step 5: Solve for x
    x = 2,280,189,770,774,866.50/54,668,355.72
  6. Step 6: Final answer
    x = 41,709,499.78

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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.