Home / 214,008,521.31-320,467,829.36-141,003,972.59

Finding the Fourth Proportional to 214,008,521.31, 320,467,829.36 and 141,003,972.59

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Solution

The fourth proportional to 214,008,521.31, 320,467,829.36 and 141,003,972.59 is: 211,146,905.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,008,521.31 : 320,467,829.36 = 141,003,972.59 : x
  2. Step 2: Convert to fraction form
    214,008,521.31/320,467,829.36 = 141,003,972.59/x
  3. Step 3: Cross multiply
    214,008,521.31x = 320,467,829.36 × 141,003,972.59
  4. Step 4: Simplify right side
    214,008,521.31x = 45,187,237,024,746,880
  5. Step 5: Solve for x
    x = 45,187,237,024,746,880/214,008,521.31
  6. Step 6: Final answer
    x = 211,146,905.50

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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.