Finding the Fourth Proportional to 181,621,935, 250,638,204.39 and 99,115,719.75
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Solution
The fourth proportional to 181,621,935, 250,638,204.39 and 99,115,719.75 is: 136,779,657.28
Step by Step Solution
- Step 1: Write the proportion equation
181,621,935 : 250,638,204.39 = 99,115,719.75 : x - Step 2: Convert to fraction form
181,621,935/250,638,204.39 = 99,115,719.75/x - Step 3: Cross multiply
181,621,935x = 250,638,204.39 × 99,115,719.75 - Step 4: Simplify right side
181,621,935x = 24,842,186,024,590,776 - Step 5: Solve for x
x = 24,842,186,024,590,776/181,621,935 - Step 6: Final answer
x = 136,779,657.28
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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.