Home / 279,080,174.02-418,588,319.18-74,624,192.50

Finding the Fourth Proportional to 279,080,174.02, 418,588,319.18 and 74,624,192.50

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Solution

The fourth proportional to 279,080,174.02, 418,588,319.18 and 74,624,192.50 is: 111,927,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,080,174.02 : 418,588,319.18 = 74,624,192.50 : x
  2. Step 2: Convert to fraction form
    279,080,174.02/418,588,319.18 = 74,624,192.50/x
  3. Step 3: Cross multiply
    279,080,174.02x = 418,588,319.18 × 74,624,192.50
  4. Step 4: Simplify right side
    279,080,174.02x = 31,236,815,308,739,764
  5. Step 5: Solve for x
    x = 31,236,815,308,739,764/279,080,174.02
  6. Step 6: Final answer
    x = 111,927,747.71

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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.