Home / 65,436,383.72-90,302,567.78-37,950,608.36

Finding the Fourth Proportional to 65,436,383.72, 90,302,567.78 and 37,950,608.36

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Solution

The fourth proportional to 65,436,383.72, 90,302,567.78 and 37,950,608.36 is: 52,372,047.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,436,383.72 : 90,302,567.78 = 37,950,608.36 : x
  2. Step 2: Convert to fraction form
    65,436,383.72/90,302,567.78 = 37,950,608.36/x
  3. Step 3: Cross multiply
    65,436,383.72x = 90,302,567.78 × 37,950,608.36
  4. Step 4: Simplify right side
    65,436,383.72x = 3,427,037,383,721,134.50
  5. Step 5: Solve for x
    x = 3,427,037,383,721,134.50/65,436,383.72
  6. Step 6: Final answer
    x = 52,372,047.31

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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.