Finding the Fourth Proportional to 233,639,398.32, 322,521,645.36 and 145,576,905.12
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Solution
The fourth proportional to 233,639,398.32, 322,521,645.36 and 145,576,905.12 is: 200,957,986.12
Step by Step Solution
- Step 1: Write the proportion equation
233,639,398.32 : 322,521,645.36 = 145,576,905.12 : x - Step 2: Convert to fraction form
233,639,398.32/322,521,645.36 = 145,576,905.12/x - Step 3: Cross multiply
233,639,398.32x = 322,521,645.36 × 145,576,905.12 - Step 4: Simplify right side
233,639,398.32x = 46,951,702,965,719,008 - Step 5: Solve for x
x = 46,951,702,965,719,008/233,639,398.32 - Step 6: Final answer
x = 200,957,986.12
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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.