Finding the Fourth Proportional to 79,305,460.12, 118,931,249.88 and 27,477,966.92
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Solution
The fourth proportional to 79,305,460.12, 118,931,249.88 and 27,477,966.92 is: 41,207,616.03
Step by Step Solution
- Step 1: Write the proportion equation
79,305,460.12 : 118,931,249.88 = 27,477,966.92 : x - Step 2: Convert to fraction form
79,305,460.12/118,931,249.88 = 27,477,966.92/x - Step 3: Cross multiply
79,305,460.12x = 118,931,249.88 × 27,477,966.92 - Step 4: Simplify right side
79,305,460.12x = 3,267,988,949,956,894 - Step 5: Solve for x
x = 3,267,988,949,956,894/79,305,460.12 - Step 6: Final answer
x = 41,207,616.03
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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.