Home / 131,058,389.80-196,571,838.30-54,373,421.80

Finding the Fourth Proportional to 131,058,389.80, 196,571,838.30 and 54,373,421.80

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Solution

The fourth proportional to 131,058,389.80, 196,571,838.30 and 54,373,421.80 is: 81,553,599.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,058,389.80 : 196,571,838.30 = 54,373,421.80 : x
  2. Step 2: Convert to fraction form
    131,058,389.80/196,571,838.30 = 54,373,421.80/x
  3. Step 3: Cross multiply
    131,058,389.80x = 196,571,838.30 × 54,373,421.80
  4. Step 4: Simplify right side
    131,058,389.80x = 10,688,283,477,887,296
  5. Step 5: Solve for x
    x = 10,688,283,477,887,296/131,058,389.80
  6. Step 6: Final answer
    x = 81,553,599.84

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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.