Finding the Fourth Proportional to 235,154,252.16, 324,533,545.66 and 129,326,316.26
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Solution
The fourth proportional to 235,154,252.16, 324,533,545.66 and 129,326,316.26 is: 178,481,688.41
Step by Step Solution
- Step 1: Write the proportion equation
235,154,252.16 : 324,533,545.66 = 129,326,316.26 : x - Step 2: Convert to fraction form
235,154,252.16/324,533,545.66 = 129,326,316.26/x - Step 3: Cross multiply
235,154,252.16x = 324,533,545.66 × 129,326,316.26 - Step 4: Simplify right side
235,154,252.16x = 41,970,727,961,058,328 - Step 5: Solve for x
x = 41,970,727,961,058,328/235,154,252.16 - Step 6: Final answer
x = 178,481,688.41
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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.