Home / 131,196,672,912.30-196,795,009,368.45-60,451,246,992.30

Finding the Fourth Proportional to 131,196,672,912.30, 196,795,009,368.45 and 60,451,246,992.30

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Solution

The fourth proportional to 131,196,672,912.30, 196,795,009,368.45 and 60,451,246,992.30 is: 90,676,870,488.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,196,672,912.30 : 196,795,009,368.45 = 60,451,246,992.30 : x
  2. Step 2: Convert to fraction form
    131,196,672,912.30/196,795,009,368.45 = 60,451,246,992.30/x
  3. Step 3: Cross multiply
    131,196,672,912.30x = 196,795,009,368.45 × 60,451,246,992.30
  4. Step 4: Simplify right side
    131,196,672,912.30x = 11,896,503,718,184,163,999,744
  5. Step 5: Solve for x
    x = 11,896,503,718,184,163,999,744/131,196,672,912.30
  6. Step 6: Final answer
    x = 90,676,870,488.45

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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.