Home / 122,801,198.05-184,298,061.53-85,671,631.54

Finding the Fourth Proportional to 122,801,198.05, 184,298,061.53 and 85,671,631.54

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Solution

The fourth proportional to 122,801,198.05, 184,298,061.53 and 85,671,631.54 is: 128,574,605.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,801,198.05 : 184,298,061.53 = 85,671,631.54 : x
  2. Step 2: Convert to fraction form
    122,801,198.05/184,298,061.53 = 85,671,631.54/x
  3. Step 3: Cross multiply
    122,801,198.05x = 184,298,061.53 × 85,671,631.54
  4. Step 4: Simplify right side
    122,801,198.05x = 15,789,115,620,934,410
  5. Step 5: Solve for x
    x = 15,789,115,620,934,410/122,801,198.05
  6. Step 6: Final answer
    x = 128,574,605.72

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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.