Home / 255,983,861.70-353,127,586.58-155,485,555.56

Finding the Fourth Proportional to 255,983,861.70, 353,127,586.58 and 155,485,555.56

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Solution

The fourth proportional to 255,983,861.70, 353,127,586.58 and 155,485,555.56 is: 214,491,017.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,983,861.70 : 353,127,586.58 = 155,485,555.56 : x
  2. Step 2: Convert to fraction form
    255,983,861.70/353,127,586.58 = 155,485,555.56/x
  3. Step 3: Cross multiply
    255,983,861.70x = 353,127,586.58 × 155,485,555.56
  4. Step 4: Simplify right side
    255,983,861.70x = 54,906,238,982,953,296
  5. Step 5: Solve for x
    x = 54,906,238,982,953,296/255,983,861.70
  6. Step 6: Final answer
    x = 214,491,017.59

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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.