Finding the Fourth Proportional to 188,588,805.36, 260,029,885.39 and 129,078,767.94
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Solution
The fourth proportional to 188,588,805.36, 260,029,885.39 and 129,078,767.94 is: 177,976,297.00
Step by Step Solution
- Step 1: Write the proportion equation
188,588,805.36 : 260,029,885.39 = 129,078,767.94 : x - Step 2: Convert to fraction form
188,588,805.36/260,029,885.39 = 129,078,767.94/x - Step 3: Cross multiply
188,588,805.36x = 260,029,885.39 × 129,078,767.94 - Step 4: Simplify right side
188,588,805.36x = 33,564,337,233,720,604 - Step 5: Solve for x
x = 33,564,337,233,720,604/188,588,805.36 - Step 6: Final answer
x = 177,976,297.00
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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.