Home / 154,528,163.16-213,035,781.16-123,272,297.36

Finding the Fourth Proportional to 154,528,163.16, 213,035,781.16 and 123,272,297.36

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Solution

The fourth proportional to 154,528,163.16, 213,035,781.16 and 123,272,297.36 is: 169,945,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,528,163.16 : 213,035,781.16 = 123,272,297.36 : x
  2. Step 2: Convert to fraction form
    154,528,163.16/213,035,781.16 = 123,272,297.36/x
  3. Step 3: Cross multiply
    154,528,163.16x = 213,035,781.16 × 123,272,297.36
  4. Step 4: Simplify right side
    154,528,163.16x = 26,261,410,163,475,404
  5. Step 5: Solve for x
    x = 26,261,410,163,475,404/154,528,163.16
  6. Step 6: Final answer
    x = 169,945,786.10

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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.