Finding the Fourth Proportional to 258,114,415.44, 356,193,408.53 and 140,640,710.99
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Solution
The fourth proportional to 258,114,415.44, 356,193,408.53 and 140,640,710.99 is: 194,081,737.51
Step by Step Solution
- Step 1: Write the proportion equation
258,114,415.44 : 356,193,408.53 = 140,640,710.99 : x - Step 2: Convert to fraction form
258,114,415.44/356,193,408.53 = 140,640,710.99/x - Step 3: Cross multiply
258,114,415.44x = 356,193,408.53 × 140,640,710.99 - Step 4: Simplify right side
258,114,415.44x = 50,095,294,224,907,528 - Step 5: Solve for x
x = 50,095,294,224,907,528/258,114,415.44 - Step 6: Final answer
x = 194,081,737.51
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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.