Finding the Fourth Proportional to 180,306,424.26, 270,390,692.47 and 98,381,514.07
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Solution
The fourth proportional to 180,306,424.26, 270,390,692.47 and 98,381,514.07 is: 147,534,652.88
Step by Step Solution
- Step 1: Write the proportion equation
180,306,424.26 : 270,390,692.47 = 98,381,514.07 : x - Step 2: Convert to fraction form
180,306,424.26/270,390,692.47 = 98,381,514.07/x - Step 3: Cross multiply
180,306,424.26x = 270,390,692.47 × 98,381,514.07 - Step 4: Simplify right side
180,306,424.26x = 26,601,445,715,426,468 - Step 5: Solve for x
x = 26,601,445,715,426,468/180,306,424.26 - Step 6: Final answer
x = 147,534,652.88
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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.