Finding the Fourth Proportional to 125,301,118,589.05, 172,915,562,306.48 and 68,208,862,502.92
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Solution
The fourth proportional to 125,301,118,589.05, 172,915,562,306.48 and 68,208,862,502.92 is: 94,128,240,408.29
Step by Step Solution
- Step 1: Write the proportion equation
125,301,118,589.05 : 172,915,562,306.48 = 68,208,862,502.92 : x - Step 2: Convert to fraction form
125,301,118,589.05/172,915,562,306.48 = 68,208,862,502.92/x - Step 3: Cross multiply
125,301,118,589.05x = 172,915,562,306.48 × 68,208,862,502.92 - Step 4: Simplify right side
125,301,118,589.05x = 11,794,373,813,978,137,624,576 - Step 5: Solve for x
x = 11,794,373,813,978,137,624,576/125,301,118,589.05 - Step 6: Final answer
x = 94,128,240,408.29
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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.