Home / 55,392,147.45-76,437,160.43-30,612,037.77

Finding the Fourth Proportional to 55,392,147.45, 76,437,160.43 and 30,612,037.77

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Solution

The fourth proportional to 55,392,147.45, 76,437,160.43 and 30,612,037.77 is: 42,242,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,392,147.45 : 76,437,160.43 = 30,612,037.77 : x
  2. Step 2: Convert to fraction form
    55,392,147.45/76,437,160.43 = 30,612,037.77/x
  3. Step 3: Cross multiply
    55,392,147.45x = 76,437,160.43 × 30,612,037.77
  4. Step 4: Simplify right side
    55,392,147.45x = 2,339,897,241,961,649
  5. Step 5: Solve for x
    x = 2,339,897,241,961,649/55,392,147.45
  6. Step 6: Final answer
    x = 42,242,399.86

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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.