Home / 64,965,857.54-97,416,361.29-21,240,920.48

Finding the Fourth Proportional to 64,965,857.54, 97,416,361.29 and 21,240,920.48

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Solution

The fourth proportional to 64,965,857.54, 97,416,361.29 and 21,240,920.48 is: 31,850,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,965,857.54 : 97,416,361.29 = 21,240,920.48 : x
  2. Step 2: Convert to fraction form
    64,965,857.54/97,416,361.29 = 21,240,920.48/x
  3. Step 3: Cross multiply
    64,965,857.54x = 97,416,361.29 × 21,240,920.48
  4. Step 4: Simplify right side
    64,965,857.54x = 2,069,213,183,611,840.50
  5. Step 5: Solve for x
    x = 2,069,213,183,611,840.50/64,965,857.54
  6. Step 6: Final answer
    x = 31,850,779.19

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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.