Home / 50,787,273.90-70,090,760.40-28,764,691.07

Finding the Fourth Proportional to 50,787,273.90, 70,090,760.40 and 28,764,691.07

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Solution

The fourth proportional to 50,787,273.90, 70,090,760.40 and 28,764,691.07 is: 39,697,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,787,273.90 : 70,090,760.40 = 28,764,691.07 : x
  2. Step 2: Convert to fraction form
    50,787,273.90/70,090,760.40 = 28,764,691.07/x
  3. Step 3: Cross multiply
    50,787,273.90x = 70,090,760.40 × 28,764,691.07
  4. Step 4: Simplify right side
    50,787,273.90x = 2,016,139,069,309,068.25
  5. Step 5: Solve for x
    x = 2,016,139,069,309,068.25/50,787,273.90
  6. Step 6: Final answer
    x = 39,697,721.78

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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.