Home / 132,763,670.10-199,145,505.15-81,107,604.90

Finding the Fourth Proportional to 132,763,670.10, 199,145,505.15 and 81,107,604.90

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Solution

The fourth proportional to 132,763,670.10, 199,145,505.15 and 81,107,604.90 is: 121,661,407.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,763,670.10 : 199,145,505.15 = 81,107,604.90 : x
  2. Step 2: Convert to fraction form
    132,763,670.10/199,145,505.15 = 81,107,604.90/x
  3. Step 3: Cross multiply
    132,763,670.10x = 199,145,505.15 × 81,107,604.90
  4. Step 4: Simplify right side
    132,763,670.10x = 16,152,214,949,317,116
  5. Step 5: Solve for x
    x = 16,152,214,949,317,116/132,763,670.10
  6. Step 6: Final answer
    x = 121,661,407.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.