Finding the Fourth Proportional to 45,363,658.93, 68,045,045.54 and 13,015,730.99
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Solution
The fourth proportional to 45,363,658.93, 68,045,045.54 and 13,015,730.99 is: 19,523,469.42
Step by Step Solution
- Step 1: Write the proportion equation
45,363,658.93 : 68,045,045.54 = 13,015,730.99 : x - Step 2: Convert to fraction form
45,363,658.93/68,045,045.54 = 13,015,730.99/x - Step 3: Cross multiply
45,363,658.93x = 68,045,045.54 × 13,015,730.99 - Step 4: Simplify right side
45,363,658.93x = 885,656,008,055,973.12 - Step 5: Solve for x
x = 885,656,008,055,973.12/45,363,658.93 - Step 6: Final answer
x = 19,523,469.42
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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.