Home / 87,999,401.72-121,461,497.88-60,133,391.48

Finding the Fourth Proportional to 87,999,401.72, 121,461,497.88 and 60,133,391.48

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Solution

The fourth proportional to 87,999,401.72, 121,461,497.88 and 60,133,391.48 is: 82,999,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,999,401.72 : 121,461,497.88 = 60,133,391.48 : x
  2. Step 2: Convert to fraction form
    87,999,401.72/121,461,497.88 = 60,133,391.48/x
  3. Step 3: Cross multiply
    87,999,401.72x = 121,461,497.88 × 60,133,391.48
  4. Step 4: Simplify right side
    87,999,401.72x = 7,303,891,801,765,229
  5. Step 5: Solve for x
    x = 7,303,891,801,765,229/87,999,401.72
  6. Step 6: Final answer
    x = 82,999,334.76

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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.