Home / 122,444,606.22-168,973,729.11-66,690,244.86

Finding the Fourth Proportional to 122,444,606.22, 168,973,729.11 and 66,690,244.86

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Solution

The fourth proportional to 122,444,606.22, 168,973,729.11 and 66,690,244.86 is: 92,032,631.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,444,606.22 : 168,973,729.11 = 66,690,244.86 : x
  2. Step 2: Convert to fraction form
    122,444,606.22/168,973,729.11 = 66,690,244.86/x
  3. Step 3: Cross multiply
    122,444,606.22x = 168,973,729.11 × 66,690,244.86
  4. Step 4: Simplify right side
    122,444,606.22x = 11,268,899,369,253,210
  5. Step 5: Solve for x
    x = 11,268,899,369,253,210/122,444,606.22
  6. Step 6: Final answer
    x = 92,032,631.87

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1.5x scale

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.