Home / 66,572,814.40-99,859,221.60-43,897,998.40

Finding the Fourth Proportional to 66,572,814.40, 99,859,221.60 and 43,897,998.40

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Solution

The fourth proportional to 66,572,814.40, 99,859,221.60 and 43,897,998.40 is: 65,846,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,572,814.40 : 99,859,221.60 = 43,897,998.40 : x
  2. Step 2: Convert to fraction form
    66,572,814.40/99,859,221.60 = 43,897,998.40/x
  3. Step 3: Cross multiply
    66,572,814.40x = 99,859,221.60 × 43,897,998.40
  4. Step 4: Simplify right side
    66,572,814.40x = 4,383,619,950,022,045
  5. Step 5: Solve for x
    x = 4,383,619,950,022,045/66,572,814.40
  6. Step 6: Final answer
    x = 65,846,997.60

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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.