Finding the Fourth Proportional to 48,557,545.20, 72,836,317.80 and 46,318,057.20
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Solution
The fourth proportional to 48,557,545.20, 72,836,317.80 and 46,318,057.20 is: 69,477,085.80
Step by Step Solution
- Step 1: Write the proportion equation
48,557,545.20 : 72,836,317.80 = 46,318,057.20 : x - Step 2: Convert to fraction form
48,557,545.20/72,836,317.80 = 46,318,057.20/x - Step 3: Cross multiply
48,557,545.20x = 72,836,317.80 × 46,318,057.20 - Step 4: Simplify right side
48,557,545.20x = 3,373,636,734,097,778 - Step 5: Solve for x
x = 3,373,636,734,097,778/48,557,545.20 - Step 6: Final answer
x = 69,477,085.80
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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.