Home / 72,563,516.64-100,139,946.48-39,524,758.56

Finding the Fourth Proportional to 72,563,516.64, 100,139,946.48 and 39,524,758.56

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Solution

The fourth proportional to 72,563,516.64, 100,139,946.48 and 39,524,758.56 is: 54,545,416.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,563,516.64 : 100,139,946.48 = 39,524,758.56 : x
  2. Step 2: Convert to fraction form
    72,563,516.64/100,139,946.48 = 39,524,758.56/x
  3. Step 3: Cross multiply
    72,563,516.64x = 100,139,946.48 × 39,524,758.56
  4. Step 4: Simplify right side
    72,563,516.64x = 3,958,007,206,833,322.50
  5. Step 5: Solve for x
    x = 3,958,007,206,833,322.50/72,563,516.64
  6. Step 6: Final answer
    x = 54,545,416.07

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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.