Finding the Fourth Proportional to 78,998,384.96, 118,544,390.47 and 44,012,782.53
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Solution
The fourth proportional to 78,998,384.96, 118,544,390.47 and 44,012,782.53 is: 66,045,254.99
Step by Step Solution
- Step 1: Write the proportion equation
78,998,384.96 : 118,544,390.47 = 44,012,782.53 : x - Step 2: Convert to fraction form
78,998,384.96/118,544,390.47 = 44,012,782.53/x - Step 3: Cross multiply
78,998,384.96x = 118,544,390.47 × 44,012,782.53 - Step 4: Simplify right side
78,998,384.96x = 5,217,468,477,797,483 - Step 5: Solve for x
x = 5,217,468,477,797,483/78,998,384.96 - Step 6: Final answer
x = 66,045,254.99
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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.