Finding the Fourth Proportional to 88,102,299.62, 121,592,384.34 and 53,295,239.36
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Solution
The fourth proportional to 88,102,299.62, 121,592,384.34 and 53,295,239.36 is: 73,554,212.04
Step by Step Solution
- Step 1: Write the proportion equation
88,102,299.62 : 121,592,384.34 = 53,295,239.36 : x - Step 2: Convert to fraction form
88,102,299.62/121,592,384.34 = 53,295,239.36/x - Step 3: Cross multiply
88,102,299.62x = 121,592,384.34 × 53,295,239.36 - Step 4: Simplify right side
88,102,299.62x = 6,480,295,227,753,416 - Step 5: Solve for x
x = 6,480,295,227,753,416/88,102,299.62 - Step 6: Final answer
x = 73,554,212.04
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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.