Home / 47,809,139.20-71,713,708.80-38,243,201.20

Finding the Fourth Proportional to 47,809,139.20, 71,713,708.80 and 38,243,201.20

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Solution

The fourth proportional to 47,809,139.20, 71,713,708.80 and 38,243,201.20 is: 57,364,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,809,139.20 : 71,713,708.80 = 38,243,201.20 : x
  2. Step 2: Convert to fraction form
    47,809,139.20/71,713,708.80 = 38,243,201.20/x
  3. Step 3: Cross multiply
    47,809,139.20x = 71,713,708.80 × 38,243,201.20
  4. Step 4: Simplify right side
    47,809,139.20x = 2,742,561,794,436,610.50
  5. Step 5: Solve for x
    x = 2,742,561,794,436,610.50/47,809,139.20
  6. Step 6: Final answer
    x = 57,364,801.80

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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.