Home / 67,211,053.13-100,827,353.42-28,355,228.54

Finding the Fourth Proportional to 67,211,053.13, 100,827,353.42 and 28,355,228.54

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Solution

The fourth proportional to 67,211,053.13, 100,827,353.42 and 28,355,228.54 is: 42,537,388.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,211,053.13 : 100,827,353.42 = 28,355,228.54 : x
  2. Step 2: Convert to fraction form
    67,211,053.13/100,827,353.42 = 28,355,228.54/x
  3. Step 3: Cross multiply
    67,211,053.13x = 100,827,353.42 × 28,355,228.54
  4. Step 4: Simplify right side
    67,211,053.13x = 2,858,982,648,661,538
  5. Step 5: Solve for x
    x = 2,858,982,648,661,538/67,211,053.13
  6. Step 6: Final answer
    x = 42,537,388.06

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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.