Home / 291,039,553.69-401,636,215.43-165,591,746.56

Finding the Fourth Proportional to 291,039,553.69, 401,636,215.43 and 165,591,746.56

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Solution

The fourth proportional to 291,039,553.69, 401,636,215.43 and 165,591,746.56 is: 228,517,538.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,039,553.69 : 401,636,215.43 = 165,591,746.56 : x
  2. Step 2: Convert to fraction form
    291,039,553.69/401,636,215.43 = 165,591,746.56/x
  3. Step 3: Cross multiply
    291,039,553.69x = 401,636,215.43 × 165,591,746.56
  4. Step 4: Simplify right side
    291,039,553.69x = 66,507,642,395,848,240
  5. Step 5: Solve for x
    x = 66,507,642,395,848,240/291,039,553.69
  6. Step 6: Final answer
    x = 228,517,538.43

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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.