Home / 188,290,286.40-282,435,429.60-67,077,998.40

Finding the Fourth Proportional to 188,290,286.40, 282,435,429.60 and 67,077,998.40

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Solution

The fourth proportional to 188,290,286.40, 282,435,429.60 and 67,077,998.40 is: 100,616,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,290,286.40 : 282,435,429.60 = 67,077,998.40 : x
  2. Step 2: Convert to fraction form
    188,290,286.40/282,435,429.60 = 67,077,998.40/x
  3. Step 3: Cross multiply
    188,290,286.40x = 282,435,429.60 × 67,077,998.40
  4. Step 4: Simplify right side
    188,290,286.40x = 18,945,203,294,812,112
  5. Step 5: Solve for x
    x = 18,945,203,294,812,112/188,290,286.40
  6. Step 6: Final answer
    x = 100,616,997.60

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1.5x scale

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.