Home / 75,169,942.64-103,749,068.94-49,019,059.76

Finding the Fourth Proportional to 75,169,942.64, 103,749,068.94 and 49,019,059.76

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Solution

The fourth proportional to 75,169,942.64, 103,749,068.94 and 49,019,059.76 is: 67,655,789.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,169,942.64 : 103,749,068.94 = 49,019,059.76 : x
  2. Step 2: Convert to fraction form
    75,169,942.64/103,749,068.94 = 49,019,059.76/x
  3. Step 3: Cross multiply
    75,169,942.64x = 103,749,068.94 × 49,019,059.76
  4. Step 4: Simplify right side
    75,169,942.64x = 5,085,681,810,414,220
  5. Step 5: Solve for x
    x = 5,085,681,810,414,220/75,169,942.64
  6. Step 6: Final answer
    x = 67,655,789.43

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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.