Finding the Fourth Proportional to 235,372,280.13, 324,816,734.80 and 129,537,881.01
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Solution
The fourth proportional to 235,372,280.13, 324,816,734.80 and 129,537,881.01 is: 178,763,920.37
Step by Step Solution
- Step 1: Write the proportion equation
235,372,280.13 : 324,816,734.80 = 129,537,881.01 : x - Step 2: Convert to fraction form
235,372,280.13/324,816,734.80 = 129,537,881.01/x - Step 3: Cross multiply
235,372,280.13x = 324,816,734.80 × 129,537,881.01 - Step 4: Simplify right side
235,372,280.13x = 42,076,071,542,579,128 - Step 5: Solve for x
x = 42,076,071,542,579,128/235,372,280.13 - Step 6: Final answer
x = 178,763,920.37
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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.