Home / 87,417,649.75-120,633,188.07-48,258,583.69

Finding the Fourth Proportional to 87,417,649.75, 120,633,188.07 and 48,258,583.69

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Solution

The fourth proportional to 87,417,649.75, 120,633,188.07 and 48,258,583.69 is: 66,595,096.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,417,649.75 : 120,633,188.07 = 48,258,583.69 : x
  2. Step 2: Convert to fraction form
    87,417,649.75/120,633,188.07 = 48,258,583.69/x
  3. Step 3: Cross multiply
    87,417,649.75x = 120,633,188.07 × 48,258,583.69
  4. Step 4: Simplify right side
    87,417,649.75x = 5,821,586,802,267,604
  5. Step 5: Solve for x
    x = 5,821,586,802,267,604/87,417,649.75
  6. Step 6: Final answer
    x = 66,595,096.29

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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.