Finding the Fourth Proportional to 291,565,388.16, 402,368,633.44 and 161,193,594.24
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Solution
The fourth proportional to 291,565,388.16, 402,368,633.44 and 161,193,594.24 is: 222,451,802.81
Step by Step Solution
- Step 1: Write the proportion equation
291,565,388.16 : 402,368,633.44 = 161,193,594.24 : x - Step 2: Convert to fraction form
291,565,388.16/402,368,633.44 = 161,193,594.24/x - Step 3: Cross multiply
291,565,388.16x = 402,368,633.44 × 161,193,594.24 - Step 4: Simplify right side
291,565,388.16x = 64,859,246,233,630,656 - Step 5: Solve for x
x = 64,859,246,233,630,656/291,565,388.16 - Step 6: Final answer
x = 222,451,802.81
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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.