Finding the Fourth Proportional to 168,240,402.14, 232,172,076.26 and 92,886,875.75
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Solution
The fourth proportional to 168,240,402.14, 232,172,076.26 and 92,886,875.75 is: 128,184,065.94
Step by Step Solution
- Step 1: Write the proportion equation
168,240,402.14 : 232,172,076.26 = 92,886,875.75 : x - Step 2: Convert to fraction form
168,240,402.14/232,172,076.26 = 92,886,875.75/x - Step 3: Cross multiply
168,240,402.14x = 232,172,076.26 × 92,886,875.75 - Step 4: Simplify right side
168,240,402.14x = 21,565,738,800,994,792 - Step 5: Solve for x
x = 21,565,738,800,994,792/168,240,402.14 - Step 6: Final answer
x = 128,184,065.94
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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.