Home / 49,762,790.40-74,644,185.60-28,239,429.90

Finding the Fourth Proportional to 49,762,790.40, 74,644,185.60 and 28,239,429.90

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Solution

The fourth proportional to 49,762,790.40, 74,644,185.60 and 28,239,429.90 is: 42,359,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,762,790.40 : 74,644,185.60 = 28,239,429.90 : x
  2. Step 2: Convert to fraction form
    49,762,790.40/74,644,185.60 = 28,239,429.90/x
  3. Step 3: Cross multiply
    49,762,790.40x = 74,644,185.60 × 28,239,429.90
  4. Step 4: Simplify right side
    49,762,790.40x = 2,107,909,246,693,789.25
  5. Step 5: Solve for x
    x = 2,107,909,246,693,789.25/49,762,790.40
  6. Step 6: Final answer
    x = 42,359,144.85

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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.