Home / 87,679,258.62-120,997,612.26-48,523,735.50

Finding the Fourth Proportional to 87,679,258.62, 120,997,612.26 and 48,523,735.50

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Solution

The fourth proportional to 87,679,258.62, 120,997,612.26 and 48,523,735.50 is: 66,962,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,679,258.62 : 120,997,612.26 = 48,523,735.50 : x
  2. Step 2: Convert to fraction form
    87,679,258.62/120,997,612.26 = 48,523,735.50/x
  3. Step 3: Cross multiply
    87,679,258.62x = 120,997,612.26 × 48,523,735.50
  4. Step 4: Simplify right side
    87,679,258.62x = 5,871,256,133,435,797
  5. Step 5: Solve for x
    x = 5,871,256,133,435,797/87,679,258.62
  6. Step 6: Final answer
    x = 66,962,885.25

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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.