Home / 108,185,143.86-162,279,494.43-30,463,917.30

Finding the Fourth Proportional to 108,185,143.86, 162,279,494.43 and 30,463,917.30

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Solution

The fourth proportional to 108,185,143.86, 162,279,494.43 and 30,463,917.30 is: 45,696,376.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,185,143.86 : 162,279,494.43 = 30,463,917.30 : x
  2. Step 2: Convert to fraction form
    108,185,143.86/162,279,494.43 = 30,463,917.30/x
  3. Step 3: Cross multiply
    108,185,143.86x = 162,279,494.43 × 30,463,917.30
  4. Step 4: Simplify right side
    108,185,143.86x = 4,943,669,097,801,331
  5. Step 5: Solve for x
    x = 4,943,669,097,801,331/108,185,143.86
  6. Step 6: Final answer
    x = 45,696,376.80

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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.