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Finding the Fourth Proportional to 67,770,007.80, 101,655,011.70 and 22,325,897.40

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Solution

The fourth proportional to 67,770,007.80, 101,655,011.70 and 22,325,897.40 is: 33,488,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,770,007.80 : 101,655,011.70 = 22,325,897.40 : x
  2. Step 2: Convert to fraction form
    67,770,007.80/101,655,011.70 = 22,325,897.40/x
  3. Step 3: Cross multiply
    67,770,007.80x = 101,655,011.70 × 22,325,897.40
  4. Step 4: Simplify right side
    67,770,007.80x = 2,269,539,361,409,999.50
  5. Step 5: Solve for x
    x = 2,269,539,361,409,999.50/67,770,007.80
  6. Step 6: Final answer
    x = 33,488,846.10

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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.