Home / 189,761,991.08-284,587,147.38-86,071,208.36

Finding the Fourth Proportional to 189,761,991.08, 284,587,147.38 and 86,071,208.36

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Solution

The fourth proportional to 189,761,991.08, 284,587,147.38 and 86,071,208.36 is: 129,081,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,761,991.08 : 284,587,147.38 = 86,071,208.36 : x
  2. Step 2: Convert to fraction form
    189,761,991.08/284,587,147.38 = 86,071,208.36/x
  3. Step 3: Cross multiply
    189,761,991.08x = 284,587,147.38 × 86,071,208.36
  4. Step 4: Simplify right side
    189,761,991.08x = 24,494,759,658,722,008
  5. Step 5: Solve for x
    x = 24,494,759,658,722,008/189,761,991.08
  6. Step 6: Final answer
    x = 129,081,485.28

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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.