Home / 226,399,238.72-312,429,071.30-127,280,427.94

Finding the Fourth Proportional to 226,399,238.72, 312,429,071.30 and 127,280,427.94

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Solution

The fourth proportional to 226,399,238.72, 312,429,071.30 and 127,280,427.94 is: 175,645,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,399,238.72 : 312,429,071.30 = 127,280,427.94 : x
  2. Step 2: Convert to fraction form
    226,399,238.72/312,429,071.30 = 127,280,427.94/x
  3. Step 3: Cross multiply
    226,399,238.72x = 312,429,071.30 × 127,280,427.94
  4. Step 4: Simplify right side
    226,399,238.72x = 39,766,105,895,960,776
  5. Step 5: Solve for x
    x = 39,766,105,895,960,776/226,399,238.72
  6. Step 6: Final answer
    x = 175,645,934.68

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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.