Home / 152,243,059.32-210,095,629.92-82,628,441.28

Finding the Fourth Proportional to 152,243,059.32, 210,095,629.92 and 82,628,441.28

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Solution

The fourth proportional to 152,243,059.32, 210,095,629.92 and 82,628,441.28 is: 114,027,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,243,059.32 : 210,095,629.92 = 82,628,441.28 : x
  2. Step 2: Convert to fraction form
    152,243,059.32/210,095,629.92 = 82,628,441.28/x
  3. Step 3: Cross multiply
    152,243,059.32x = 210,095,629.92 × 82,628,441.28
  4. Step 4: Simplify right side
    152,243,059.32x = 17,359,874,420,029,330
  5. Step 5: Solve for x
    x = 17,359,874,420,029,330/152,243,059.32
  6. Step 6: Final answer
    x = 114,027,361.89

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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.