Home / 147,191,187.45-203,125,182.05-81,114,056.55

Finding the Fourth Proportional to 147,191,187.45, 203,125,182.05 and 81,114,056.55

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Solution

The fourth proportional to 147,191,187.45, 203,125,182.05 and 81,114,056.55 is: 111,938,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,191,187.45 : 203,125,182.05 = 81,114,056.55 : x
  2. Step 2: Convert to fraction form
    147,191,187.45/203,125,182.05 = 81,114,056.55/x
  3. Step 3: Cross multiply
    147,191,187.45x = 203,125,182.05 × 81,114,056.55
  4. Step 4: Simplify right side
    147,191,187.45x = 16,476,307,503,127,172
  5. Step 5: Solve for x
    x = 16,476,307,503,127,172/147,191,187.45
  6. Step 6: Final answer
    x = 111,938,138.34

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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.