Home / 73,047,785.39-109,545,832.86-21,221,605.76

Finding the Fourth Proportional to 73,047,785.39, 109,545,832.86 and 21,221,605.76

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Solution

The fourth proportional to 73,047,785.39, 109,545,832.86 and 21,221,605.76 is: 31,824,900.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,047,785.39 : 109,545,832.86 = 21,221,605.76 : x
  2. Step 2: Convert to fraction form
    73,047,785.39/109,545,832.86 = 21,221,605.76/x
  3. Step 3: Cross multiply
    73,047,785.39x = 109,545,832.86 × 21,221,605.76
  4. Step 4: Simplify right side
    73,047,785.39x = 2,324,738,477,465,294.50
  5. Step 5: Solve for x
    x = 2,324,738,477,465,294.50/73,047,785.39
  6. Step 6: Final answer
    x = 31,824,900.17

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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.