Home / 219,952,532.72-303,500,753.33-127,115,111.72

Finding the Fourth Proportional to 219,952,532.72, 303,500,753.33 and 127,115,111.72

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Solution

The fourth proportional to 219,952,532.72, 303,500,753.33 and 127,115,111.72 is: 175,399,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,952,532.72 : 303,500,753.33 = 127,115,111.72 : x
  2. Step 2: Convert to fraction form
    219,952,532.72/303,500,753.33 = 127,115,111.72/x
  3. Step 3: Cross multiply
    219,952,532.72x = 303,500,753.33 × 127,115,111.72
  4. Step 4: Simplify right side
    219,952,532.72x = 38,579,532,164,494,032
  5. Step 5: Solve for x
    x = 38,579,532,164,494,032/219,952,532.72
  6. Step 6: Final answer
    x = 175,399,354.07

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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.