Home / 76,628,158,001.20-114,942,237,001.80-45,282,492,362.80

Finding the Fourth Proportional to 76,628,158,001.20, 114,942,237,001.80 and 45,282,492,362.80

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Solution

The fourth proportional to 76,628,158,001.20, 114,942,237,001.80 and 45,282,492,362.80 is: 67,923,738,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,628,158,001.20 : 114,942,237,001.80 = 45,282,492,362.80 : x
  2. Step 2: Convert to fraction form
    76,628,158,001.20/114,942,237,001.80 = 45,282,492,362.80/x
  3. Step 3: Cross multiply
    76,628,158,001.20x = 114,942,237,001.80 × 45,282,492,362.80
  4. Step 4: Simplify right side
    76,628,158,001.20x = 5,204,870,969,197,156,368,384
  5. Step 5: Solve for x
    x = 5,204,870,969,197,156,368,384/76,628,158,001.20
  6. Step 6: Final answer
    x = 67,923,738,544.20

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1.5x scale

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.