Home / 55,196,719.06-76,171,976.10-30,417,794.98

Finding the Fourth Proportional to 55,196,719.06, 76,171,976.10 and 30,417,794.98

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Solution

The fourth proportional to 55,196,719.06, 76,171,976.10 and 30,417,794.98 is: 41,976,834.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,719.06 : 76,171,976.10 = 30,417,794.98 : x
  2. Step 2: Convert to fraction form
    55,196,719.06/76,171,976.10 = 30,417,794.98/x
  3. Step 3: Cross multiply
    55,196,719.06x = 76,171,976.10 × 30,417,794.98
  4. Step 4: Simplify right side
    55,196,719.06x = 2,316,983,552,231,260
  5. Step 5: Solve for x
    x = 2,316,983,552,231,260/55,196,719.06
  6. Step 6: Final answer
    x = 41,976,834.70

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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.