Home / 304,491,027.52-420,186,931.20-165,258,986.88

Finding the Fourth Proportional to 304,491,027.52, 420,186,931.20 and 165,258,986.88

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Solution

The fourth proportional to 304,491,027.52, 420,186,931.20 and 165,258,986.88 is: 228,051,601.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,491,027.52 : 420,186,931.20 = 165,258,986.88 : x
  2. Step 2: Convert to fraction form
    304,491,027.52/420,186,931.20 = 165,258,986.88/x
  3. Step 3: Cross multiply
    304,491,027.52x = 420,186,931.20 × 165,258,986.88
  4. Step 4: Simplify right side
    304,491,027.52x = 69,439,666,550,328,256
  5. Step 5: Solve for x
    x = 69,439,666,550,328,256/304,491,027.52
  6. Step 6: Final answer
    x = 228,051,601.77

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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.