Home / 67,143,160,460.21-92,665,686,467.81-38,214,383,984.69

Finding the Fourth Proportional to 67,143,160,460.21, 92,665,686,467.81 and 38,214,383,984.69

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Solution

The fourth proportional to 67,143,160,460.21, 92,665,686,467.81 and 38,214,383,984.69 is: 52,740,474,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,143,160,460.21 : 92,665,686,467.81 = 38,214,383,984.69 : x
  2. Step 2: Convert to fraction form
    67,143,160,460.21/92,665,686,467.81 = 38,214,383,984.69/x
  3. Step 3: Cross multiply
    67,143,160,460.21x = 92,665,686,467.81 × 38,214,383,984.69
  4. Step 4: Simplify right side
    67,143,160,460.21x = 3,541,162,124,885,396,291,584
  5. Step 5: Solve for x
    x = 3,541,162,124,885,396,291,584/67,143,160,460.21
  6. Step 6: Final answer
    x = 52,740,474,243.60

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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.