Home / 67,999,765.16-102,019,659.80-21,940,770.16

Finding the Fourth Proportional to 67,999,765.16, 102,019,659.80 and 21,940,770.16

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Solution

The fourth proportional to 67,999,765.16, 102,019,659.80 and 21,940,770.16 is: 32,917,612.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,999,765.16 : 102,019,659.80 = 21,940,770.16 : x
  2. Step 2: Convert to fraction form
    67,999,765.16/102,019,659.80 = 21,940,770.16/x
  3. Step 3: Cross multiply
    67,999,765.16x = 102,019,659.80 × 21,940,770.16
  4. Step 4: Simplify right side
    67,999,765.16x = 2,238,389,907,473,191.50
  5. Step 5: Solve for x
    x = 2,238,389,907,473,191.50/67,999,765.16
  6. Step 6: Final answer
    x = 32,917,612.32

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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.