Home / 256,104,957.75-353,472,721.20-146,096,670.75

Finding the Fourth Proportional to 256,104,957.75, 353,472,721.20 and 146,096,670.75

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Solution

The fourth proportional to 256,104,957.75, 353,472,721.20 and 146,096,670.75 is: 201,640,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,104,957.75 : 353,472,721.20 = 146,096,670.75 : x
  2. Step 2: Convert to fraction form
    256,104,957.75/353,472,721.20 = 146,096,670.75/x
  3. Step 3: Cross multiply
    256,104,957.75x = 353,472,721.20 × 146,096,670.75
  4. Step 4: Simplify right side
    256,104,957.75x = 51,641,187,768,262,944
  5. Step 5: Solve for x
    x = 51,641,187,768,262,944/256,104,957.75
  6. Step 6: Final answer
    x = 201,640,718.80

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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.