Finding the Fourth Proportional to 75,856,647, 104,648,813.82 and 44,478,679.80
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Solution
The fourth proportional to 75,856,647, 104,648,813.82 and 44,478,679.80 is: 61,361,017.99
Step by Step Solution
- Step 1: Write the proportion equation
75,856,647 : 104,648,813.82 = 44,478,679.80 : x - Step 2: Convert to fraction form
75,856,647/104,648,813.82 = 44,478,679.80/x - Step 3: Cross multiply
75,856,647x = 104,648,813.82 × 44,478,679.80 - Step 4: Simplify right side
75,856,647x = 4,654,641,081,349,594 - Step 5: Solve for x
x = 4,654,641,081,349,594/75,856,647 - Step 6: Final answer
x = 61,361,017.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.