Home / 149,015,628.14-205,648,338.66-82,940,358.47

Finding the Fourth Proportional to 149,015,628.14, 205,648,338.66 and 82,940,358.47

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Solution

The fourth proportional to 149,015,628.14, 205,648,338.66 and 82,940,358.47 is: 114,461,463.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,015,628.14 : 205,648,338.66 = 82,940,358.47 : x
  2. Step 2: Convert to fraction form
    149,015,628.14/205,648,338.66 = 82,940,358.47/x
  3. Step 3: Cross multiply
    149,015,628.14x = 205,648,338.66 × 82,940,358.47
  4. Step 4: Simplify right side
    149,015,628.14x = 17,056,546,927,220,358
  5. Step 5: Solve for x
    x = 17,056,546,927,220,358/149,015,628.14
  6. Step 6: Final answer
    x = 114,461,463.81

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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.