Finding the Fourth Proportional to 137,811,404.10, 190,184,043.49 and 79,084,811.64
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Solution
The fourth proportional to 137,811,404.10, 190,184,043.49 and 79,084,811.64 is: 109,139,511.02
Step by Step Solution
- Step 1: Write the proportion equation
137,811,404.10 : 190,184,043.49 = 79,084,811.64 : x - Step 2: Convert to fraction form
137,811,404.10/190,184,043.49 = 79,084,811.64/x - Step 3: Cross multiply
137,811,404.10x = 190,184,043.49 × 79,084,811.64 - Step 4: Simplify right side
137,811,404.10x = 15,040,669,256,340,220 - Step 5: Solve for x
x = 15,040,669,256,340,220/137,811,404.10 - Step 6: Final answer
x = 109,139,511.02
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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.