Finding the Fourth Proportional to 276,522,771.08, 381,609,124.08 and 152,771,419.82
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Solution
The fourth proportional to 276,522,771.08, 381,609,124.08 and 152,771,419.82 is: 210,828,813.39
Step by Step Solution
- Step 1: Write the proportion equation
276,522,771.08 : 381,609,124.08 = 152,771,419.82 : x - Step 2: Convert to fraction form
276,522,771.08/381,609,124.08 = 152,771,419.82/x - Step 3: Cross multiply
276,522,771.08x = 381,609,124.08 × 152,771,419.82 - Step 4: Simplify right side
276,522,771.08x = 58,298,967,701,968,144 - Step 5: Solve for x
x = 58,298,967,701,968,144/276,522,771.08 - Step 6: Final answer
x = 210,828,813.39
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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.