Home / 278,062,567.56-417,114,321.66-73,589,265

Finding the Fourth Proportional to 278,062,567.56, 417,114,321.66 and 73,589,265

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Solution

The fourth proportional to 278,062,567.56, 417,114,321.66 and 73,589,265 is: 110,389,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,062,567.56 : 417,114,321.66 = 73,589,265 : x
  2. Step 2: Convert to fraction form
    278,062,567.56/417,114,321.66 = 73,589,265/x
  3. Step 3: Cross multiply
    278,062,567.56x = 417,114,321.66 × 73,589,265
  4. Step 4: Simplify right side
    278,062,567.56x = 30,695,136,351,932,980
  5. Step 5: Solve for x
    x = 30,695,136,351,932,980/278,062,567.56
  6. Step 6: Final answer
    x = 110,389,314.97

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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.