Home / 147,191,187.26-203,125,181.79-81,114,056.37

Finding the Fourth Proportional to 147,191,187.26, 203,125,181.79 and 81,114,056.37

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Solution

The fourth proportional to 147,191,187.26, 203,125,181.79 and 81,114,056.37 is: 111,938,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,191,187.26 : 203,125,181.79 = 81,114,056.37 : x
  2. Step 2: Convert to fraction form
    147,191,187.26/203,125,181.79 = 81,114,056.37/x
  3. Step 3: Cross multiply
    147,191,187.26x = 203,125,181.79 × 81,114,056.37
  4. Step 4: Simplify right side
    147,191,187.26x = 16,476,307,444,459,360
  5. Step 5: Solve for x
    x = 16,476,307,444,459,360/147,191,187.26
  6. Step 6: Final answer
    x = 111,938,138.09

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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.