Home / 279,598,269.12-419,397,182.12-75,126,344.37

Finding the Fourth Proportional to 279,598,269.12, 419,397,182.12 and 75,126,344.37

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Solution

The fourth proportional to 279,598,269.12, 419,397,182.12 and 75,126,344.37 is: 112,689,457.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,598,269.12 : 419,397,182.12 = 75,126,344.37 : x
  2. Step 2: Convert to fraction form
    279,598,269.12/419,397,182.12 = 75,126,344.37/x
  3. Step 3: Cross multiply
    279,598,269.12x = 419,397,182.12 × 75,126,344.37
  4. Step 4: Simplify right side
    279,598,269.12x = 31,507,777,130,369,800
  5. Step 5: Solve for x
    x = 31,507,777,130,369,800/279,598,269.12
  6. Step 6: Final answer
    x = 112,689,457.02

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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.