Home / 259,930,129-389,892,187.62-63,194,656.60

Finding the Fourth Proportional to 259,930,129, 389,892,187.62 and 63,194,656.60

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Solution

The fourth proportional to 259,930,129, 389,892,187.62 and 63,194,656.60 is: 94,791,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,930,129 : 389,892,187.62 = 63,194,656.60 : x
  2. Step 2: Convert to fraction form
    259,930,129/389,892,187.62 = 63,194,656.60/x
  3. Step 3: Cross multiply
    259,930,129x = 389,892,187.62 × 63,194,656.60
  4. Step 4: Simplify right side
    259,930,129x = 24,639,102,907,668,672
  5. Step 5: Solve for x
    x = 24,639,102,907,668,672/259,930,129
  6. Step 6: Final answer
    x = 94,791,254.11

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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.