Home / 72,073,249.61-99,460,591.53-39,032,738.87

Finding the Fourth Proportional to 72,073,249.61, 99,460,591.53 and 39,032,738.87

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Solution

The fourth proportional to 72,073,249.61, 99,460,591.53 and 39,032,738.87 is: 53,864,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,073,249.61 : 99,460,591.53 = 39,032,738.87 : x
  2. Step 2: Convert to fraction form
    72,073,249.61/99,460,591.53 = 39,032,738.87/x
  3. Step 3: Cross multiply
    72,073,249.61x = 99,460,591.53 × 39,032,738.87
  4. Step 4: Simplify right side
    72,073,249.61x = 3,882,219,296,548,921
  5. Step 5: Solve for x
    x = 3,882,219,296,548,921/72,073,249.61
  6. Step 6: Final answer
    x = 53,864,912.68

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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.