Finding the Fourth Proportional to 239,298,317.82, 330,231,025.87 and 133,451,848.08
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Solution
The fourth proportional to 239,298,317.82, 330,231,025.87 and 133,451,848.08 is: 184,163,186.33
Step by Step Solution
- Step 1: Write the proportion equation
239,298,317.82 : 330,231,025.87 = 133,451,848.08 : x - Step 2: Convert to fraction form
239,298,317.82/330,231,025.87 = 133,451,848.08/x - Step 3: Cross multiply
239,298,317.82x = 330,231,025.87 × 133,451,848.08 - Step 4: Simplify right side
239,298,317.82x = 44,069,940,693,387,376 - Step 5: Solve for x
x = 44,069,940,693,387,376/239,298,317.82 - Step 6: Final answer
x = 184,163,186.33
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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.