Finding the Fourth Proportional to 74,886,650.40, 112,329,975.60 and 36,572,743.20
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Solution
The fourth proportional to 74,886,650.40, 112,329,975.60 and 36,572,743.20 is: 54,859,114.80
Step by Step Solution
- Step 1: Write the proportion equation
74,886,650.40 : 112,329,975.60 = 36,572,743.20 : x - Step 2: Convert to fraction form
74,886,650.40/112,329,975.60 = 36,572,743.20/x - Step 3: Cross multiply
74,886,650.40x = 112,329,975.60 × 36,572,743.20 - Step 4: Simplify right side
74,886,650.40x = 4,108,215,351,281,066 - Step 5: Solve for x
x = 4,108,215,351,281,066/74,886,650.40 - Step 6: Final answer
x = 54,859,114.80
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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.