Finding the Fourth Proportional to 213,045,333.42, 293,999,656.95 and 118,960,933.62
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Solution
The fourth proportional to 213,045,333.42, 293,999,656.95 and 118,960,933.62 is: 164,164,467.31
Step by Step Solution
- Step 1: Write the proportion equation
213,045,333.42 : 293,999,656.95 = 118,960,933.62 : x - Step 2: Convert to fraction form
213,045,333.42/293,999,656.95 = 118,960,933.62/x - Step 3: Cross multiply
213,045,333.42x = 293,999,656.95 × 118,960,933.62 - Step 4: Simplify right side
213,045,333.42x = 34,974,473,674,731,720 - Step 5: Solve for x
x = 34,974,473,674,731,720/213,045,333.42 - Step 6: Final answer
x = 164,164,467.31
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1.5x scale
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.