Home / 256,091,122.72-353,439,391.44-146,057,612.32

Finding the Fourth Proportional to 256,091,122.72, 353,439,391.44 and 146,057,612.32

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Solution

The fourth proportional to 256,091,122.72, 353,439,391.44 and 146,057,612.32 is: 201,578,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,091,122.72 : 353,439,391.44 = 146,057,612.32 : x
  2. Step 2: Convert to fraction form
    256,091,122.72/353,439,391.44 = 146,057,612.32/x
  3. Step 3: Cross multiply
    256,091,122.72x = 353,439,391.44 × 146,057,612.32
  4. Step 4: Simplify right side
    256,091,122.72x = 51,622,513,613,560,240
  5. Step 5: Solve for x
    x = 51,622,513,613,560,240/256,091,122.72
  6. Step 6: Final answer
    x = 201,578,692.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.