Home / 206,040,023.60-309,060,035.40-52,698,081.20

Finding the Fourth Proportional to 206,040,023.60, 309,060,035.40 and 52,698,081.20

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Solution

The fourth proportional to 206,040,023.60, 309,060,035.40 and 52,698,081.20 is: 79,047,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,040,023.60 : 309,060,035.40 = 52,698,081.20 : x
  2. Step 2: Convert to fraction form
    206,040,023.60/309,060,035.40 = 52,698,081.20/x
  3. Step 3: Cross multiply
    206,040,023.60x = 309,060,035.40 × 52,698,081.20
  4. Step 4: Simplify right side
    206,040,023.60x = 16,286,870,841,184,074
  5. Step 5: Solve for x
    x = 16,286,870,841,184,074/206,040,023.60
  6. Step 6: Final answer
    x = 79,047,121.80

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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.