Finding the Fourth Proportional to 268,379,569.08, 402,524,509.19 and 74,310,601.91
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Solution
The fourth proportional to 268,379,569.08, 402,524,509.19 and 74,310,601.91 is: 111,453,486.05
Step by Step Solution
- Step 1: Write the proportion equation
268,379,569.08 : 402,524,509.19 = 74,310,601.91 : x - Step 2: Convert to fraction form
268,379,569.08/402,524,509.19 = 74,310,601.91/x - Step 3: Cross multiply
268,379,569.08x = 402,524,509.19 × 74,310,601.91 - Step 4: Simplify right side
268,379,569.08x = 29,911,838,559,052,052 - Step 5: Solve for x
x = 29,911,838,559,052,052/268,379,569.08 - Step 6: Final answer
x = 111,453,486.05
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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.