Home / 135,022,670.75-186,331,856.59-73,143,009.32

Finding the Fourth Proportional to 135,022,670.75, 186,331,856.59 and 73,143,009.32

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Solution

The fourth proportional to 135,022,670.75, 186,331,856.59 and 73,143,009.32 is: 100,937,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,022,670.75 : 186,331,856.59 = 73,143,009.32 : x
  2. Step 2: Convert to fraction form
    135,022,670.75/186,331,856.59 = 73,143,009.32/x
  3. Step 3: Cross multiply
    135,022,670.75x = 186,331,856.59 × 73,143,009.32
  4. Step 4: Simplify right side
    135,022,670.75x = 13,628,872,722,335,042
  5. Step 5: Solve for x
    x = 13,628,872,722,335,042/135,022,670.75
  6. Step 6: Final answer
    x = 100,937,662.15

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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.