Home / 122,666,846.40-184,000,269.60-71,010,781.20

Finding the Fourth Proportional to 122,666,846.40, 184,000,269.60 and 71,010,781.20

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Solution

The fourth proportional to 122,666,846.40, 184,000,269.60 and 71,010,781.20 is: 106,516,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,666,846.40 : 184,000,269.60 = 71,010,781.20 : x
  2. Step 2: Convert to fraction form
    122,666,846.40/184,000,269.60 = 71,010,781.20/x
  3. Step 3: Cross multiply
    122,666,846.40x = 184,000,269.60 × 71,010,781.20
  4. Step 4: Simplify right side
    122,666,846.40x = 13,066,002,885,306,612
  5. Step 5: Solve for x
    x = 13,066,002,885,306,612/122,666,846.40
  6. Step 6: Final answer
    x = 106,516,171.80

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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.