Finding the Fourth Proportional to 146,948,341.69, 202,788,744.63 and 80,868,839.95
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Solution
The fourth proportional to 146,948,341.69, 202,788,744.63 and 80,868,839.95 is: 111,599,017.34
Step by Step Solution
- Step 1: Write the proportion equation
146,948,341.69 : 202,788,744.63 = 80,868,839.95 : x - Step 2: Convert to fraction form
146,948,341.69/202,788,744.63 = 80,868,839.95/x - Step 3: Cross multiply
146,948,341.69x = 202,788,744.63 × 80,868,839.95 - Step 4: Simplify right side
146,948,341.69x = 16,399,290,532,130,946 - Step 5: Solve for x
x = 16,399,290,532,130,946/146,948,341.69 - Step 6: Final answer
x = 111,599,017.34
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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.