Home / 72,871,859,108.32-109,322,697,180.20-25,058,658,836.88

Finding the Fourth Proportional to 72,871,859,108.32, 109,322,697,180.20 and 25,058,658,836.88

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Solution

The fourth proportional to 72,871,859,108.32, 109,322,697,180.20 and 25,058,658,836.88 is: 37,593,114,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,871,859,108.32 : 109,322,697,180.20 = 25,058,658,836.88 : x
  2. Step 2: Convert to fraction form
    72,871,859,108.32/109,322,697,180.20 = 25,058,658,836.88/x
  3. Step 3: Cross multiply
    72,871,859,108.32x = 109,322,697,180.20 × 25,058,658,836.88
  4. Step 4: Simplify right side
    72,871,859,108.32x = 2,739,480,171,766,175,236,096
  5. Step 5: Solve for x
    x = 2,739,480,171,766,175,236,096/72,871,859,108.32
  6. Step 6: Final answer
    x = 37,593,114,890.81

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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.