Home / 74,481,356.34-102,782,659.92-43,120,727.64

Finding the Fourth Proportional to 74,481,356.34, 102,782,659.92 and 43,120,727.64

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Solution

The fourth proportional to 74,481,356.34, 102,782,659.92 and 43,120,727.64 is: 59,505,670.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,481,356.34 : 102,782,659.92 = 43,120,727.64 : x
  2. Step 2: Convert to fraction form
    74,481,356.34/102,782,659.92 = 43,120,727.64/x
  3. Step 3: Cross multiply
    74,481,356.34x = 102,782,659.92 × 43,120,727.64
  4. Step 4: Simplify right side
    74,481,356.34x = 4,432,063,084,525,064.50
  5. Step 5: Solve for x
    x = 4,432,063,084,525,064.50/74,481,356.34
  6. Step 6: Final answer
    x = 59,505,670.98

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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.