Home / 75,022,982.60-112,534,473.90-69,984,134.60

Finding the Fourth Proportional to 75,022,982.60, 112,534,473.90 and 69,984,134.60

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Solution

The fourth proportional to 75,022,982.60, 112,534,473.90 and 69,984,134.60 is: 104,976,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,022,982.60 : 112,534,473.90 = 69,984,134.60 : x
  2. Step 2: Convert to fraction form
    75,022,982.60/112,534,473.90 = 69,984,134.60/x
  3. Step 3: Cross multiply
    75,022,982.60x = 112,534,473.90 × 69,984,134.60
  4. Step 4: Simplify right side
    75,022,982.60x = 7,875,627,768,557,787
  5. Step 5: Solve for x
    x = 7,875,627,768,557,787/75,022,982.60
  6. Step 6: Final answer
    x = 104,976,201.90

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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.