Home / 74,481,606.48-102,783,003.12-43,120,976.88

Finding the Fourth Proportional to 74,481,606.48, 102,783,003.12 and 43,120,976.88

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Solution

The fourth proportional to 74,481,606.48, 102,783,003.12 and 43,120,976.88 is: 59,506,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,481,606.48 : 102,783,003.12 = 43,120,976.88 : x
  2. Step 2: Convert to fraction form
    74,481,606.48/102,783,003.12 = 43,120,976.88/x
  3. Step 3: Cross multiply
    74,481,606.48x = 102,783,003.12 × 43,120,976.88
  4. Step 4: Simplify right side
    74,481,606.48x = 4,432,103,501,194,488.50
  5. Step 5: Solve for x
    x = 4,432,103,501,194,488.50/74,481,606.48
  6. Step 6: Final answer
    x = 59,506,013.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.