Finding the Fourth Proportional to 98,328,201.70, 147,492,302.55 and 25,539,009.70
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Solution
The fourth proportional to 98,328,201.70, 147,492,302.55 and 25,539,009.70 is: 38,308,514.55
Step by Step Solution
- Step 1: Write the proportion equation
98,328,201.70 : 147,492,302.55 = 25,539,009.70 : x - Step 2: Convert to fraction form
98,328,201.70/147,492,302.55 = 25,539,009.70/x - Step 3: Cross multiply
98,328,201.70x = 147,492,302.55 × 25,539,009.70 - Step 4: Simplify right side
98,328,201.70x = 3,766,807,345,499,785 - Step 5: Solve for x
x = 3,766,807,345,499,785/98,328,201.70 - Step 6: Final answer
x = 38,308,514.55
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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.