Finding the Fourth Proportional to 69,704,805.10, 104,557,207.65 and 40,964,709.10
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Solution
The fourth proportional to 69,704,805.10, 104,557,207.65 and 40,964,709.10 is: 61,447,063.65
Step by Step Solution
- Step 1: Write the proportion equation
69,704,805.10 : 104,557,207.65 = 40,964,709.10 : x - Step 2: Convert to fraction form
69,704,805.10/104,557,207.65 = 40,964,709.10/x - Step 3: Cross multiply
69,704,805.10x = 104,557,207.65 × 40,964,709.10 - Step 4: Simplify right side
69,704,805.10x = 4,283,155,595,690,545 - Step 5: Solve for x
x = 4,283,155,595,690,545/69,704,805.10 - Step 6: Final answer
x = 61,447,063.65
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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.