Finding the Fourth Proportional to 36,379,374.90, 54,569,062.35 and 31,490,117.70
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Solution
The fourth proportional to 36,379,374.90, 54,569,062.35 and 31,490,117.70 is: 47,235,176.55
Step by Step Solution
- Step 1: Write the proportion equation
36,379,374.90 : 54,569,062.35 = 31,490,117.70 : x - Step 2: Convert to fraction form
36,379,374.90/54,569,062.35 = 31,490,117.70/x - Step 3: Cross multiply
36,379,374.90x = 54,569,062.35 × 31,490,117.70 - Step 4: Simplify right side
36,379,374.90x = 1,718,386,196,180,138.50 - Step 5: Solve for x
x = 1,718,386,196,180,138.50/36,379,374.90 - Step 6: Final answer
x = 47,235,176.55
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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.