Home / 135,336,968.34-186,760,015.22-73,455,978.30

Finding the Fourth Proportional to 135,336,968.34, 186,760,015.22 and 73,455,978.30

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Solution

The fourth proportional to 135,336,968.34, 186,760,015.22 and 73,455,978.30 is: 101,366,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,336,968.34 : 186,760,015.22 = 73,455,978.30 : x
  2. Step 2: Convert to fraction form
    135,336,968.34/186,760,015.22 = 73,455,978.30/x
  3. Step 3: Cross multiply
    135,336,968.34x = 186,760,015.22 × 73,455,978.30
  4. Step 4: Simplify right side
    135,336,968.34x = 13,718,639,624,940,710
  5. Step 5: Solve for x
    x = 13,718,639,624,940,710/135,336,968.34
  6. Step 6: Final answer
    x = 101,366,535.64

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1.5x scale

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.