Home / 149,015,626.14-205,648,335.90-82,940,356.47

Finding the Fourth Proportional to 149,015,626.14, 205,648,335.90 and 82,940,356.47

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Solution

The fourth proportional to 149,015,626.14, 205,648,335.90 and 82,940,356.47 is: 114,461,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,015,626.14 : 205,648,335.90 = 82,940,356.47 : x
  2. Step 2: Convert to fraction form
    149,015,626.14/205,648,335.90 = 82,940,356.47/x
  3. Step 3: Cross multiply
    149,015,626.14x = 205,648,335.90 × 82,940,356.47
  4. Step 4: Simplify right side
    149,015,626.14x = 17,056,546,287,008,298
  5. Step 5: Solve for x
    x = 17,056,546,287,008,298/149,015,626.14
  6. Step 6: Final answer
    x = 114,461,461.05

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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.