Home / 75,022,982.10-112,534,473.15-69,984,134.10

Finding the Fourth Proportional to 75,022,982.10, 112,534,473.15 and 69,984,134.10

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Solution

The fourth proportional to 75,022,982.10, 112,534,473.15 and 69,984,134.10 is: 104,976,201.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,022,982.10 : 112,534,473.15 = 69,984,134.10 : x
  2. Step 2: Convert to fraction form
    75,022,982.10/112,534,473.15 = 69,984,134.10/x
  3. Step 3: Cross multiply
    75,022,982.10x = 112,534,473.15 × 69,984,134.10
  4. Step 4: Simplify right side
    75,022,982.10x = 7,875,627,659,802,449
  5. Step 5: Solve for x
    x = 7,875,627,659,802,449/75,022,982.10
  6. Step 6: Final answer
    x = 104,976,201.15

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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.