Home / 147,191,242.60-203,125,258.22-81,114,111.72

Finding the Fourth Proportional to 147,191,242.60, 203,125,258.22 and 81,114,111.72

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Solution

The fourth proportional to 147,191,242.60, 203,125,258.22 and 81,114,111.72 is: 111,938,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,191,242.60 : 203,125,258.22 = 81,114,111.72 : x
  2. Step 2: Convert to fraction form
    147,191,242.60/203,125,258.22 = 81,114,111.72/x
  3. Step 3: Cross multiply
    147,191,242.60x = 203,125,258.22 × 81,114,111.72
  4. Step 4: Simplify right side
    147,191,242.60x = 16,476,324,888,410,928
  5. Step 5: Solve for x
    x = 16,476,324,888,410,928/147,191,242.60
  6. Step 6: Final answer
    x = 111,938,214.51

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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.