Home / 72,700,262.64-100,324,747.80-40,105,206

Finding the Fourth Proportional to 72,700,262.64, 100,324,747.80 and 40,105,206

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Solution

The fourth proportional to 72,700,262.64, 100,324,747.80 and 40,105,206 is: 55,344,293.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,700,262.64 : 100,324,747.80 = 40,105,206 : x
  2. Step 2: Convert to fraction form
    72,700,262.64/100,324,747.80 = 40,105,206/x
  3. Step 3: Cross multiply
    72,700,262.64x = 100,324,747.80 × 40,105,206
  4. Step 4: Simplify right side
    72,700,262.64x = 4,023,544,677,417,046.50
  5. Step 5: Solve for x
    x = 4,023,544,677,417,046.50/72,700,262.64
  6. Step 6: Final answer
    x = 55,344,293.56

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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.