Home / 68,672,238.30-103,008,357.45-63,410,972.40

Finding the Fourth Proportional to 68,672,238.30, 103,008,357.45 and 63,410,972.40

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Solution

The fourth proportional to 68,672,238.30, 103,008,357.45 and 63,410,972.40 is: 95,116,458.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,672,238.30 : 103,008,357.45 = 63,410,972.40 : x
  2. Step 2: Convert to fraction form
    68,672,238.30/103,008,357.45 = 63,410,972.40/x
  3. Step 3: Cross multiply
    68,672,238.30x = 103,008,357.45 × 63,410,972.40
  4. Step 4: Simplify right side
    68,672,238.30x = 6,531,860,111,231,284
  5. Step 5: Solve for x
    x = 6,531,860,111,231,284/68,672,238.30
  6. Step 6: Final answer
    x = 95,116,458.60

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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.