Home / 239,855,399.36-331,000,561.86-129,847,112.36

Finding the Fourth Proportional to 239,855,399.36, 331,000,561.86 and 129,847,112.36

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Solution

The fourth proportional to 239,855,399.36, 331,000,561.86 and 129,847,112.36 is: 179,189,075.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,855,399.36 : 331,000,561.86 = 129,847,112.36 : x
  2. Step 2: Convert to fraction form
    239,855,399.36/331,000,561.86 = 129,847,112.36/x
  3. Step 3: Cross multiply
    239,855,399.36x = 331,000,561.86 × 129,847,112.36
  4. Step 4: Simplify right side
    239,855,399.36x = 42,979,467,147,058,552
  5. Step 5: Solve for x
    x = 42,979,467,147,058,552/239,855,399.36
  6. Step 6: Final answer
    x = 179,189,075.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.