Finding the Fourth Proportional to 117,876,965.80, 176,815,448.70 and 60,481,337.80
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Solution
The fourth proportional to 117,876,965.80, 176,815,448.70 and 60,481,337.80 is: 90,722,006.70
Step by Step Solution
- Step 1: Write the proportion equation
117,876,965.80 : 176,815,448.70 = 60,481,337.80 : x - Step 2: Convert to fraction form
117,876,965.80/176,815,448.70 = 60,481,337.80/x - Step 3: Cross multiply
117,876,965.80x = 176,815,448.70 × 60,481,337.80 - Step 4: Simplify right side
117,876,965.80x = 10,694,034,881,083,270 - Step 5: Solve for x
x = 10,694,034,881,083,270/117,876,965.80 - Step 6: Final answer
x = 90,722,006.70
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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.