Home / 147,191,246.60-203,125,263.76-81,114,115.72

Finding the Fourth Proportional to 147,191,246.60, 203,125,263.76 and 81,114,115.72

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Solution

The fourth proportional to 147,191,246.60, 203,125,263.76 and 81,114,115.72 is: 111,938,220.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,191,246.60 : 203,125,263.76 = 81,114,115.72 : x
  2. Step 2: Convert to fraction form
    147,191,246.60/203,125,263.76 = 81,114,115.72/x
  3. Step 3: Cross multiply
    147,191,246.60x = 203,125,263.76 × 81,114,115.72
  4. Step 4: Simplify right side
    147,191,246.60x = 16,476,326,150,284,162
  5. Step 5: Solve for x
    x = 16,476,326,150,284,162/147,191,246.60
  6. Step 6: Final answer
    x = 111,938,220.04

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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.