Home / 43,997,190.40-66,003,658.80-18,440,783.20

Finding the Fourth Proportional to 43,997,190.40, 66,003,658.80 and 18,440,783.20

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Solution

The fourth proportional to 43,997,190.40, 66,003,658.80 and 18,440,783.20 is: 27,664,474.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,997,190.40 : 66,003,658.80 = 18,440,783.20 : x
  2. Step 2: Convert to fraction form
    43,997,190.40/66,003,658.80 = 18,440,783.20/x
  3. Step 3: Cross multiply
    43,997,190.40x = 66,003,658.80 × 18,440,783.20
  4. Step 4: Simplify right side
    43,997,190.40x = 1,217,159,162,337,572
  5. Step 5: Solve for x
    x = 1,217,159,162,337,572/43,997,190.40
  6. Step 6: Final answer
    x = 27,664,474.74

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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.