Finding the Fourth Proportional to 140,511,733.99, 193,926,482.76 and 80,961,623.26
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Solution
The fourth proportional to 140,511,733.99, 193,926,482.76 and 80,961,623.26 is: 111,738,730.94
Step by Step Solution
- Step 1: Write the proportion equation
140,511,733.99 : 193,926,482.76 = 80,961,623.26 : x - Step 2: Convert to fraction form
140,511,733.99/193,926,482.76 = 80,961,623.26/x - Step 3: Cross multiply
140,511,733.99x = 193,926,482.76 × 80,961,623.26 - Step 4: Simplify right side
140,511,733.99x = 15,700,602,837,806,628 - Step 5: Solve for x
x = 15,700,602,837,806,628/140,511,733.99 - Step 6: Final answer
x = 111,738,730.94
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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.