Finding the Fourth Proportional to 69,977,486.88, 104,965,856.64 and 18,162,051.66
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Solution
The fourth proportional to 69,977,486.88, 104,965,856.64 and 18,162,051.66 is: 27,242,980.50
Step by Step Solution
- Step 1: Write the proportion equation
69,977,486.88 : 104,965,856.64 = 18,162,051.66 : x - Step 2: Convert to fraction form
69,977,486.88/104,965,856.64 = 18,162,051.66/x - Step 3: Cross multiply
69,977,486.88x = 104,965,856.64 × 18,162,051.66 - Step 4: Simplify right side
69,977,486.88x = 1,906,395,310,831,834 - Step 5: Solve for x
x = 1,906,395,310,831,834/69,977,486.88 - Step 6: Final answer
x = 27,242,980.50
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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.