Finding the Fourth Proportional to 64,373,419.96, 88,832,616.42 and 36,498,005.91
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Solution
The fourth proportional to 64,373,419.96, 88,832,616.42 and 36,498,005.91 is: 50,365,715.55
Step by Step Solution
- Step 1: Write the proportion equation
64,373,419.96 : 88,832,616.42 = 36,498,005.91 : x - Step 2: Convert to fraction form
64,373,419.96/88,832,616.42 = 36,498,005.91/x - Step 3: Cross multiply
64,373,419.96x = 88,832,616.42 × 36,498,005.91 - Step 4: Simplify right side
64,373,419.96x = 3,242,213,358,653,760 - Step 5: Solve for x
x = 3,242,213,358,653,760/64,373,419.96 - Step 6: Final answer
x = 50,365,715.55
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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.