Home / 256,344,490.80-384,527,233.80-74,591,668.80

Finding the Fourth Proportional to 256,344,490.80, 384,527,233.80 and 74,591,668.80

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Solution

The fourth proportional to 256,344,490.80, 384,527,233.80 and 74,591,668.80 is: 111,890,557.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,344,490.80 : 384,527,233.80 = 74,591,668.80 : x
  2. Step 2: Convert to fraction form
    256,344,490.80/384,527,233.80 = 74,591,668.80/x
  3. Step 3: Cross multiply
    256,344,490.80x = 384,527,233.80 × 74,591,668.80
  4. Step 4: Simplify right side
    256,344,490.80x = 28,682,528,068,189,764
  5. Step 5: Solve for x
    x = 28,682,528,068,189,764/256,344,490.80
  6. Step 6: Final answer
    x = 111,890,557.81

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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.