Home / 73,811,321.80-110,716,982.70-72,535,863.40

Finding the Fourth Proportional to 73,811,321.80, 110,716,982.70 and 72,535,863.40

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Solution

The fourth proportional to 73,811,321.80, 110,716,982.70 and 72,535,863.40 is: 108,803,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,811,321.80 : 110,716,982.70 = 72,535,863.40 : x
  2. Step 2: Convert to fraction form
    73,811,321.80/110,716,982.70 = 72,535,863.40/x
  3. Step 3: Cross multiply
    73,811,321.80x = 110,716,982.70 × 72,535,863.40
  4. Step 4: Simplify right side
    73,811,321.80x = 8,030,951,933,187,364
  5. Step 5: Solve for x
    x = 8,030,951,933,187,364/73,811,321.80
  6. Step 6: Final answer
    x = 108,803,795.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.