Home / 133,058,681.20-199,588,021.80-131,267,090.80

Finding the Fourth Proportional to 133,058,681.20, 199,588,021.80 and 131,267,090.80

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Solution

The fourth proportional to 133,058,681.20, 199,588,021.80 and 131,267,090.80 is: 196,900,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058,681.20 : 199,588,021.80 = 131,267,090.80 : x
  2. Step 2: Convert to fraction form
    133,058,681.20/199,588,021.80 = 131,267,090.80/x
  3. Step 3: Cross multiply
    133,058,681.20x = 199,588,021.80 × 131,267,090.80
  4. Step 4: Simplify right side
    133,058,681.20x = 26,199,338,980,212,980
  5. Step 5: Solve for x
    x = 26,199,338,980,212,980/133,058,681.20
  6. Step 6: Final answer
    x = 196,900,636.20

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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.