Home / 103,252,579.43-142,496,889.53-59,203,676.61

Finding the Fourth Proportional to 103,252,579.43, 142,496,889.53 and 59,203,676.61

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Solution

The fourth proportional to 103,252,579.43, 142,496,889.53 and 59,203,676.61 is: 81,705,849.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,252,579.43 : 142,496,889.53 = 59,203,676.61 : x
  2. Step 2: Convert to fraction form
    103,252,579.43/142,496,889.53 = 59,203,676.61/x
  3. Step 3: Cross multiply
    103,252,579.43x = 142,496,889.53 × 59,203,676.61
  4. Step 4: Simplify right side
    103,252,579.43x = 8,436,339,765,368,997
  5. Step 5: Solve for x
    x = 8,436,339,765,368,997/103,252,579.43
  6. Step 6: Final answer
    x = 81,705,849.99

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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.