Home / 131,025,700.70-196,538,551.05-100,792,612.70

Finding the Fourth Proportional to 131,025,700.70, 196,538,551.05 and 100,792,612.70

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Solution

The fourth proportional to 131,025,700.70, 196,538,551.05 and 100,792,612.70 is: 151,188,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,025,700.70 : 196,538,551.05 = 100,792,612.70 : x
  2. Step 2: Convert to fraction form
    131,025,700.70/196,538,551.05 = 100,792,612.70/x
  3. Step 3: Cross multiply
    131,025,700.70x = 196,538,551.05 × 100,792,612.70
  4. Step 4: Simplify right side
    131,025,700.70x = 19,809,634,056,601,832
  5. Step 5: Solve for x
    x = 19,809,634,056,601,832/131,025,700.70
  6. Step 6: Final answer
    x = 151,188,919.05

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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.