Home / 74,729,932.20-112,178,879.10-57,765,810.60

Finding the Fourth Proportional to 74,729,932.20, 112,178,879.10 and 57,765,810.60

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Solution

The fourth proportional to 74,729,932.20, 112,178,879.10 and 57,765,810.60 is: 86,713,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,729,932.20 : 112,178,879.10 = 57,765,810.60 : x
  2. Step 2: Convert to fraction form
    74,729,932.20/112,178,879.10 = 57,765,810.60/x
  3. Step 3: Cross multiply
    74,729,932.20x = 112,178,879.10 × 57,765,810.60
  4. Step 4: Simplify right side
    74,729,932.20x = 6,480,103,883,410,898
  5. Step 5: Solve for x
    x = 6,480,103,883,410,898/74,729,932.20
  6. Step 6: Final answer
    x = 86,713,632.58

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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.