Finding the Fourth Proportional to 167,326,756.99, 230,916,532.17 and 92,990,450.66
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Solution
The fourth proportional to 167,326,756.99, 230,916,532.17 and 92,990,450.66 is: 128,329,938.25
Step by Step Solution
- Step 1: Write the proportion equation
167,326,756.99 : 230,916,532.17 = 92,990,450.66 : x - Step 2: Convert to fraction form
167,326,756.99/230,916,532.17 = 92,990,450.66/x - Step 3: Cross multiply
167,326,756.99x = 230,916,532.17 × 92,990,450.66 - Step 4: Simplify right side
167,326,756.99x = 21,473,032,391,909,976 - Step 5: Solve for x
x = 21,473,032,391,909,976/167,326,756.99 - Step 6: Final answer
x = 128,329,938.25
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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.