Finding the Fourth Proportional to 132,458,801.79, 182,789,920.36 and 72,919,613.99
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Solution
The fourth proportional to 132,458,801.79, 182,789,920.36 and 72,919,613.99 is: 100,627,291.30
Step by Step Solution
- Step 1: Write the proportion equation
132,458,801.79 : 182,789,920.36 = 72,919,613.99 : x - Step 2: Convert to fraction form
132,458,801.79/182,789,920.36 = 72,919,613.99/x - Step 3: Cross multiply
132,458,801.79x = 182,789,920.36 × 72,919,613.99 - Step 4: Simplify right side
132,458,801.79x = 13,328,970,433,549,442 - Step 5: Solve for x
x = 13,328,970,433,549,442/132,458,801.79 - Step 6: Final answer
x = 100,627,291.30
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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.