Home / 152,243,059.68-210,095,629.74-82,628,441.46

Finding the Fourth Proportional to 152,243,059.68, 210,095,629.74 and 82,628,441.46

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Solution

The fourth proportional to 152,243,059.68, 210,095,629.74 and 82,628,441.46 is: 114,027,361.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,243,059.68 : 210,095,629.74 = 82,628,441.46 : x
  2. Step 2: Convert to fraction form
    152,243,059.68/210,095,629.74 = 82,628,441.46/x
  3. Step 3: Cross multiply
    152,243,059.68x = 210,095,629.74 × 82,628,441.46
  4. Step 4: Simplify right side
    152,243,059.68x = 17,359,874,442,973,424
  5. Step 5: Solve for x
    x = 17,359,874,442,973,424/152,243,059.68
  6. Step 6: Final answer
    x = 114,027,361.77

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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.