Home / 55,196,709.85-76,171,963.37-30,417,785.76

Finding the Fourth Proportional to 55,196,709.85, 76,171,963.37 and 30,417,785.76

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Solution

The fourth proportional to 55,196,709.85, 76,171,963.37 and 30,417,785.76 is: 41,976,821.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,709.85 : 76,171,963.37 = 30,417,785.76 : x
  2. Step 2: Convert to fraction form
    55,196,709.85/76,171,963.37 = 30,417,785.76/x
  3. Step 3: Cross multiply
    55,196,709.85x = 76,171,963.37 × 30,417,785.76
  4. Step 4: Simplify right side
    55,196,709.85x = 2,316,982,462,707,228
  5. Step 5: Solve for x
    x = 2,316,982,462,707,228/55,196,709.85
  6. Step 6: Final answer
    x = 41,976,821.97

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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.