Finding the Fourth Proportional to 79,626,998.40, 109,878,249.12 and 44,342,137.24
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Solution
The fourth proportional to 79,626,998.40, 109,878,249.12 and 44,342,137.24 is: 61,188,246.45
Step by Step Solution
- Step 1: Write the proportion equation
79,626,998.40 : 109,878,249.12 = 44,342,137.24 : x - Step 2: Convert to fraction form
79,626,998.40/109,878,249.12 = 44,342,137.24/x - Step 3: Cross multiply
79,626,998.40x = 109,878,249.12 × 44,342,137.24 - Step 4: Simplify right side
79,626,998.40x = 4,872,236,402,169,950 - Step 5: Solve for x
x = 4,872,236,402,169,950/79,626,998.40 - Step 6: Final answer
x = 61,188,246.45
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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.