Home / 160,701,786.88-221,759,048.64-87,362,287.36

Finding the Fourth Proportional to 160,701,786.88, 221,759,048.64 and 87,362,287.36

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Solution

The fourth proportional to 160,701,786.88, 221,759,048.64 and 87,362,287.36 is: 120,554,837.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,701,786.88 : 221,759,048.64 = 87,362,287.36 : x
  2. Step 2: Convert to fraction form
    160,701,786.88/221,759,048.64 = 87,362,287.36/x
  3. Step 3: Cross multiply
    160,701,786.88x = 221,759,048.64 × 87,362,287.36
  4. Step 4: Simplify right side
    160,701,786.88x = 19,373,377,731,967,896
  5. Step 5: Solve for x
    x = 19,373,377,731,967,896/160,701,786.88
  6. Step 6: Final answer
    x = 120,554,837.06

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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.