Home / 68,828,796.23-103,244,289.12-38,317,308.12

Finding the Fourth Proportional to 68,828,796.23, 103,244,289.12 and 38,317,308.12

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Solution

The fourth proportional to 68,828,796.23, 103,244,289.12 and 38,317,308.12 is: 57,476,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,828,796.23 : 103,244,289.12 = 38,317,308.12 : x
  2. Step 2: Convert to fraction form
    68,828,796.23/103,244,289.12 = 38,317,308.12/x
  3. Step 3: Cross multiply
    68,828,796.23x = 103,244,289.12 × 38,317,308.12
  4. Step 4: Simplify right side
    68,828,796.23x = 3,956,043,237,841,403.50
  5. Step 5: Solve for x
    x = 3,956,043,237,841,403.50/68,828,796.23
  6. Step 6: Final answer
    x = 57,476,571.65

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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.