Home / 80,145,834,453.12-110,611,455,186.24-48,463,674,545.28

Finding the Fourth Proportional to 80,145,834,453.12, 110,611,455,186.24 and 48,463,674,545.28

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Solution

The fourth proportional to 80,145,834,453.12, 110,611,455,186.24 and 48,463,674,545.28 is: 66,886,040,949.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,145,834,453.12 : 110,611,455,186.24 = 48,463,674,545.28 : x
  2. Step 2: Convert to fraction form
    80,145,834,453.12/110,611,455,186.24 = 48,463,674,545.28/x
  3. Step 3: Cross multiply
    80,145,834,453.12x = 110,611,455,186.24 × 48,463,674,545.28
  4. Step 4: Simplify right side
    80,145,834,453.12x = 5,360,637,565,125,759,336,448
  5. Step 5: Solve for x
    x = 5,360,637,565,125,759,336,448/80,145,834,453.12
  6. Step 6: Final answer
    x = 66,886,040,949.03

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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.