Home / 131,058,389.30-196,571,837.55-54,373,421.30

Finding the Fourth Proportional to 131,058,389.30, 196,571,837.55 and 54,373,421.30

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Solution

The fourth proportional to 131,058,389.30, 196,571,837.55 and 54,373,421.30 is: 81,553,599.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,058,389.30 : 196,571,837.55 = 54,373,421.30 : x
  2. Step 2: Convert to fraction form
    131,058,389.30/196,571,837.55 = 54,373,421.30/x
  3. Step 3: Cross multiply
    131,058,389.30x = 196,571,837.55 × 54,373,421.30
  4. Step 4: Simplify right side
    131,058,389.30x = 10,688,283,338,821,310
  5. Step 5: Solve for x
    x = 10,688,283,338,821,310/131,058,389.30
  6. Step 6: Final answer
    x = 81,553,599.09

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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.