Home / 133,097,507.80-199,646,261.70-127,995,674.20

Finding the Fourth Proportional to 133,097,507.80, 199,646,261.70 and 127,995,674.20

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Solution

The fourth proportional to 133,097,507.80, 199,646,261.70 and 127,995,674.20 is: 191,993,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,097,507.80 : 199,646,261.70 = 127,995,674.20 : x
  2. Step 2: Convert to fraction form
    133,097,507.80/199,646,261.70 = 127,995,674.20/x
  3. Step 3: Cross multiply
    133,097,507.80x = 199,646,261.70 × 127,995,674.20
  4. Step 4: Simplify right side
    133,097,507.80x = 25,553,857,867,801,136
  5. Step 5: Solve for x
    x = 25,553,857,867,801,136/133,097,507.80
  6. Step 6: Final answer
    x = 191,993,511.30

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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.