Finding the Fourth Proportional to 234,313,036.84, 323,351,985.70 and 129,890,843.56
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Solution
The fourth proportional to 234,313,036.84, 323,351,985.70 and 129,890,843.56 is: 179,249,361.26
Step by Step Solution
- Step 1: Write the proportion equation
234,313,036.84 : 323,351,985.70 = 129,890,843.56 : x - Step 2: Convert to fraction form
234,313,036.84/323,351,985.70 = 129,890,843.56/x - Step 3: Cross multiply
234,313,036.84x = 323,351,985.70 × 129,890,843.56 - Step 4: Simplify right side
234,313,036.84x = 42,000,462,189,374,056 - Step 5: Solve for x
x = 42,000,462,189,374,056/234,313,036.84 - Step 6: Final answer
x = 179,249,361.26
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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.