Home / 320,601,142.85-481,212,689.09-154,721,384.42

Finding the Fourth Proportional to 320,601,142.85, 481,212,689.09 and 154,721,384.42

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Solution

The fourth proportional to 320,601,142.85, 481,212,689.09 and 154,721,384.42 is: 232,232,152.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,601,142.85 : 481,212,689.09 = 154,721,384.42 : x
  2. Step 2: Convert to fraction form
    320,601,142.85/481,212,689.09 = 154,721,384.42/x
  3. Step 3: Cross multiply
    320,601,142.85x = 481,212,689.09 × 154,721,384.42
  4. Step 4: Simplify right side
    320,601,142.85x = 74,453,893,453,296,160
  5. Step 5: Solve for x
    x = 74,453,893,453,296,160/320,601,142.85
  6. Step 6: Final answer
    x = 232,232,152.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.