Finding the Fourth Proportional to 158,606,654.68, 237,911,623.30 and 47,943,243.62
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Solution
The fourth proportional to 158,606,654.68, 237,911,623.30 and 47,943,243.62 is: 71,915,361.55
Step by Step Solution
- Step 1: Write the proportion equation
158,606,654.68 : 237,911,623.30 = 47,943,243.62 : x - Step 2: Convert to fraction form
158,606,654.68/237,911,623.30 = 47,943,243.62/x - Step 3: Cross multiply
158,606,654.68x = 237,911,623.30 × 47,943,243.62 - Step 4: Simplify right side
158,606,654.68x = 11,406,254,915,901,568 - Step 5: Solve for x
x = 11,406,254,915,901,568/158,606,654.68 - Step 6: Final answer
x = 71,915,361.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.