Home / 256,265,553.70-384,538,269.09-108,690,158.64

Finding the Fourth Proportional to 256,265,553.70, 384,538,269.09 and 108,690,158.64

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Solution

The fourth proportional to 256,265,553.70, 384,538,269.09 and 108,690,158.64 is: 163,094,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,265,553.70 : 384,538,269.09 = 108,690,158.64 : x
  2. Step 2: Convert to fraction form
    256,265,553.70/384,538,269.09 = 108,690,158.64/x
  3. Step 3: Cross multiply
    256,265,553.70x = 384,538,269.09 × 108,690,158.64
  4. Step 4: Simplify right side
    256,265,553.70x = 41,795,525,471,780,784
  5. Step 5: Solve for x
    x = 41,795,525,471,780,784/256,265,553.70
  6. Step 6: Final answer
    x = 163,094,590.23

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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.