Finding the Fourth Proportional to 147,090,478.21, 202,999,197.62 and 109,856,115.50
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Solution
The fourth proportional to 147,090,478.21, 202,999,197.62 and 109,856,115.50 is: 151,612,147.65
Step by Step Solution
- Step 1: Write the proportion equation
147,090,478.21 : 202,999,197.62 = 109,856,115.50 : x - Step 2: Convert to fraction form
147,090,478.21/202,999,197.62 = 109,856,115.50/x - Step 3: Cross multiply
147,090,478.21x = 202,999,197.62 × 109,856,115.50 - Step 4: Simplify right side
147,090,478.21x = 22,300,703,299,409,692 - Step 5: Solve for x
x = 22,300,703,299,409,692/147,090,478.21 - Step 6: Final answer
x = 151,612,147.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.