Finding the Fourth Proportional to 217,104,248.16, 325,704,398.76 and 71,531,929.44
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Solution
The fourth proportional to 217,104,248.16, 325,704,398.76 and 71,531,929.44 is: 107,313,718.03
Step by Step Solution
- Step 1: Write the proportion equation
217,104,248.16 : 325,704,398.76 = 71,531,929.44 : x - Step 2: Convert to fraction form
217,104,248.16/325,704,398.76 = 71,531,929.44/x - Step 3: Cross multiply
217,104,248.16x = 325,704,398.76 × 71,531,929.44 - Step 4: Simplify right side
217,104,248.16x = 23,298,264,070,397,944 - Step 5: Solve for x
x = 23,298,264,070,397,944/217,104,248.16 - Step 6: Final answer
x = 107,313,718.03
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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.