Home / 73,542,993.47-101,486,056.47-42,158,542.31

Finding the Fourth Proportional to 73,542,993.47, 101,486,056.47 and 42,158,542.31

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Solution

The fourth proportional to 73,542,993.47, 101,486,056.47 and 42,158,542.31 is: 58,176,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,542,993.47 : 101,486,056.47 = 42,158,542.31 : x
  2. Step 2: Convert to fraction form
    73,542,993.47/101,486,056.47 = 42,158,542.31/x
  3. Step 3: Cross multiply
    73,542,993.47x = 101,486,056.47 × 42,158,542.31
  4. Step 4: Simplify right side
    73,542,993.47x = 4,278,504,205,565,544.50
  5. Step 5: Solve for x
    x = 4,278,504,205,565,544.50/73,542,993.47
  6. Step 6: Final answer
    x = 58,176,911.27

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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.