Finding the Fourth Proportional to 69,977,964.84, 104,987,091.96 and 21,462,937.08
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Solution
The fourth proportional to 69,977,964.84, 104,987,091.96 and 21,462,937.08 is: 32,200,584.20
Step by Step Solution
- Step 1: Write the proportion equation
69,977,964.84 : 104,987,091.96 = 21,462,937.08 : x - Step 2: Convert to fraction form
69,977,964.84/104,987,091.96 = 21,462,937.08/x - Step 3: Cross multiply
69,977,964.84x = 104,987,091.96 × 21,462,937.08 - Step 4: Simplify right side
69,977,964.84x = 2,253,331,348,949,653.50 - Step 5: Solve for x
x = 2,253,331,348,949,653.50/69,977,964.84 - Step 6: Final answer
x = 32,200,584.20
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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.