Finding the Fourth Proportional to 168,831,442.14, 251,827,691.12 and 153,332,260.62
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Solution
The fourth proportional to 168,831,442.14, 251,827,691.12 and 153,332,260.62 is: 228,709,230.20
Step by Step Solution
- Step 1: Write the proportion equation
168,831,442.14 : 251,827,691.12 = 153,332,260.62 : x - Step 2: Convert to fraction form
168,831,442.14/251,827,691.12 = 153,332,260.62/x - Step 3: Cross multiply
168,831,442.14x = 251,827,691.12 × 153,332,260.62 - Step 4: Simplify right side
168,831,442.14x = 38,613,309,165,378,040 - Step 5: Solve for x
x = 38,613,309,165,378,040/168,831,442.14 - Step 6: Final answer
x = 228,709,230.20
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.