Finding the Fourth Proportional to 79,719,348.03, 119,579,023.41 and 19,135,074.03
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Solution
The fourth proportional to 79,719,348.03, 119,579,023.41 and 19,135,074.03 is: 28,702,611.38
Step by Step Solution
- Step 1: Write the proportion equation
79,719,348.03 : 119,579,023.41 = 19,135,074.03 : x - Step 2: Convert to fraction form
79,719,348.03/119,579,023.41 = 19,135,074.03/x - Step 3: Cross multiply
79,719,348.03x = 119,579,023.41 × 19,135,074.03 - Step 4: Simplify right side
79,719,348.03x = 2,288,153,465,699,407 - Step 5: Solve for x
x = 2,288,153,465,699,407/79,719,348.03 - Step 6: Final answer
x = 28,702,611.38
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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.