Home / 55,801,716.57-83,670,258.30-18,901,239.19

Finding the Fourth Proportional to 55,801,716.57, 83,670,258.30 and 18,901,239.19

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Solution

The fourth proportional to 55,801,716.57, 83,670,258.30 and 18,901,239.19 is: 28,340,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801,716.57 : 83,670,258.30 = 18,901,239.19 : x
  2. Step 2: Convert to fraction form
    55,801,716.57/83,670,258.30 = 18,901,239.19/x
  3. Step 3: Cross multiply
    55,801,716.57x = 83,670,258.30 × 18,901,239.19
  4. Step 4: Simplify right side
    55,801,716.57x = 1,581,471,565,008,207
  5. Step 5: Solve for x
    x = 1,581,471,565,008,207/55,801,716.57
  6. Step 6: Final answer
    x = 28,340,912.47

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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.