Home / 75,128,551.28-103,677,169.52-41,640,165.60

Finding the Fourth Proportional to 75,128,551.28, 103,677,169.52 and 41,640,165.60

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Solution

The fourth proportional to 75,128,551.28, 103,677,169.52 and 41,640,165.60 is: 57,463,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,128,551.28 : 103,677,169.52 = 41,640,165.60 : x
  2. Step 2: Convert to fraction form
    75,128,551.28/103,677,169.52 = 41,640,165.60/x
  3. Step 3: Cross multiply
    75,128,551.28x = 103,677,169.52 × 41,640,165.60
  4. Step 4: Simplify right side
    75,128,551.28x = 4,317,134,507,752,072.50
  5. Step 5: Solve for x
    x = 4,317,134,507,752,072.50/75,128,551.28
  6. Step 6: Final answer
    x = 57,463,300.36

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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.