Home / 51,619,520.87-71,236,407.21-28,099,574.39

Finding the Fourth Proportional to 51,619,520.87, 71,236,407.21 and 28,099,574.39

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Solution

The fourth proportional to 51,619,520.87, 71,236,407.21 and 28,099,574.39 is: 38,778,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,619,520.87 : 71,236,407.21 = 28,099,574.39 : x
  2. Step 2: Convert to fraction form
    51,619,520.87/71,236,407.21 = 28,099,574.39/x
  3. Step 3: Cross multiply
    51,619,520.87x = 71,236,407.21 × 28,099,574.39
  4. Step 4: Simplify right side
    51,619,520.87x = 2,001,712,723,673,727.25
  5. Step 5: Solve for x
    x = 2,001,712,723,673,727.25/51,619,520.87
  6. Step 6: Final answer
    x = 38,778,212.00

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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.