Home / 67,286,640.96-100,928,513.16-18,763,203

Finding the Fourth Proportional to 67,286,640.96, 100,928,513.16 and 18,763,203

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Solution

The fourth proportional to 67,286,640.96, 100,928,513.16 and 18,763,203 is: 28,144,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,286,640.96 : 100,928,513.16 = 18,763,203 : x
  2. Step 2: Convert to fraction form
    67,286,640.96/100,928,513.16 = 18,763,203/x
  3. Step 3: Cross multiply
    67,286,640.96x = 100,928,513.16 × 18,763,203
  4. Step 4: Simplify right side
    67,286,640.96x = 1,893,742,180,909,251.50
  5. Step 5: Solve for x
    x = 1,893,742,180,909,251.50/67,286,640.96
  6. Step 6: Final answer
    x = 28,144,400.64

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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.