Home / 49,942,957.55-74,914,532.69-19,251,989.66

Finding the Fourth Proportional to 49,942,957.55, 74,914,532.69 and 19,251,989.66

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Solution

The fourth proportional to 49,942,957.55, 74,914,532.69 and 19,251,989.66 is: 28,878,021.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,942,957.55 : 74,914,532.69 = 19,251,989.66 : x
  2. Step 2: Convert to fraction form
    49,942,957.55/74,914,532.69 = 19,251,989.66/x
  3. Step 3: Cross multiply
    49,942,957.55x = 74,914,532.69 × 19,251,989.66
  4. Step 4: Simplify right side
    49,942,957.55x = 1,442,253,808,260,779.50
  5. Step 5: Solve for x
    x = 1,442,253,808,260,779.50/49,942,957.55
  6. Step 6: Final answer
    x = 28,878,021.63

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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.