Finding the Fourth Proportional to 171,738,962.24, 236,999,588.48 and 93,422,328.92
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Solution
The fourth proportional to 171,738,962.24, 236,999,588.48 and 93,422,328.92 is: 128,922,716.32
Step by Step Solution
- Step 1: Write the proportion equation
171,738,962.24 : 236,999,588.48 = 93,422,328.92 : x - Step 2: Convert to fraction form
171,738,962.24/236,999,588.48 = 93,422,328.92/x - Step 3: Cross multiply
171,738,962.24x = 236,999,588.48 × 93,422,328.92 - Step 4: Simplify right side
171,738,962.24x = 22,141,053,508,470,176 - Step 5: Solve for x
x = 22,141,053,508,470,176/171,738,962.24 - Step 6: Final answer
x = 128,922,716.32
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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.