Home / 133,058,721.20-199,588,081.80-131,267,130.80

Finding the Fourth Proportional to 133,058,721.20, 199,588,081.80 and 131,267,130.80

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Solution

The fourth proportional to 133,058,721.20, 199,588,081.80 and 131,267,130.80 is: 196,900,696.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058,721.20 : 199,588,081.80 = 131,267,130.80 : x
  2. Step 2: Convert to fraction form
    133,058,721.20/199,588,081.80 = 131,267,130.80/x
  3. Step 3: Cross multiply
    133,058,721.20x = 199,588,081.80 × 131,267,130.80
  4. Step 4: Simplify right side
    133,058,721.20x = 26,199,354,839,761,700
  5. Step 5: Solve for x
    x = 26,199,354,839,761,700/133,058,721.20
  6. Step 6: Final answer
    x = 196,900,696.20

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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.