Finding the Fourth Proportional to 165,888,230.20, 248,832,345.30 and 97,695,820.60
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Solution
The fourth proportional to 165,888,230.20, 248,832,345.30 and 97,695,820.60 is: 146,543,730.90
Step by Step Solution
- Step 1: Write the proportion equation
165,888,230.20 : 248,832,345.30 = 97,695,820.60 : x - Step 2: Convert to fraction form
165,888,230.20/248,832,345.30 = 97,695,820.60/x - Step 3: Cross multiply
165,888,230.20x = 248,832,345.30 × 97,695,820.60 - Step 4: Simplify right side
165,888,230.20x = 24,309,880,165,906,052 - Step 5: Solve for x
x = 24,309,880,165,906,052/165,888,230.20 - Step 6: Final answer
x = 146,543,730.90
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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.