Home / 80,145,834,433.12-110,611,455,158.64-48,463,674,525.28

Finding the Fourth Proportional to 80,145,834,433.12, 110,611,455,158.64 and 48,463,674,525.28

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Solution

The fourth proportional to 80,145,834,433.12, 110,611,455,158.64 and 48,463,674,525.28 is: 66,886,040,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,145,834,433.12 : 110,611,455,158.64 = 48,463,674,525.28 : x
  2. Step 2: Convert to fraction form
    80,145,834,433.12/110,611,455,158.64 = 48,463,674,525.28/x
  3. Step 3: Cross multiply
    80,145,834,433.12x = 110,611,455,158.64 × 48,463,674,525.28
  4. Step 4: Simplify right side
    80,145,834,433.12x = 5,360,637,561,575,932,166,144
  5. Step 5: Solve for x
    x = 5,360,637,561,575,932,166,144/80,145,834,433.12
  6. Step 6: Final answer
    x = 66,886,040,921.43

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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.