Home / 257,047,151.73-385,583,127.89-84,520,145.49

Finding the Fourth Proportional to 257,047,151.73, 385,583,127.89 and 84,520,145.49

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Solution

The fourth proportional to 257,047,151.73, 385,583,127.89 and 84,520,145.49 is: 126,784,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,047,151.73 : 385,583,127.89 = 84,520,145.49 : x
  2. Step 2: Convert to fraction form
    257,047,151.73/385,583,127.89 = 84,520,145.49/x
  3. Step 3: Cross multiply
    257,047,151.73x = 385,583,127.89 × 84,520,145.49
  4. Step 4: Simplify right side
    257,047,151.73x = 32,589,542,067,329,472
  5. Step 5: Solve for x
    x = 32,589,542,067,329,472/257,047,151.73
  6. Step 6: Final answer
    x = 126,784,295.60

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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.