Home / 147,191,188.45-203,125,183.43-81,114,057.55

Finding the Fourth Proportional to 147,191,188.45, 203,125,183.43 and 81,114,057.55

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Solution

The fourth proportional to 147,191,188.45, 203,125,183.43 and 81,114,057.55 is: 111,938,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,191,188.45 : 203,125,183.43 = 81,114,057.55 : x
  2. Step 2: Convert to fraction form
    147,191,188.45/203,125,183.43 = 81,114,057.55/x
  3. Step 3: Cross multiply
    147,191,188.45x = 203,125,183.43 × 81,114,057.55
  4. Step 4: Simplify right side
    147,191,188.45x = 16,476,307,818,595,326
  5. Step 5: Solve for x
    x = 16,476,307,818,595,326/147,191,188.45
  6. Step 6: Final answer
    x = 111,938,139.72

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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.