Finding the Fourth Proportional to 161,803,242.36, 242,678,290.68 and 69,662,170.26
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Solution
The fourth proportional to 161,803,242.36, 242,678,290.68 and 69,662,170.26 is: 104,481,814.81
Step by Step Solution
- Step 1: Write the proportion equation
161,803,242.36 : 242,678,290.68 = 69,662,170.26 : x - Step 2: Convert to fraction form
161,803,242.36/242,678,290.68 = 69,662,170.26/x - Step 3: Cross multiply
161,803,242.36x = 242,678,290.68 × 69,662,170.26 - Step 4: Simplify right side
161,803,242.36x = 16,905,496,403,755,932 - Step 5: Solve for x
x = 16,905,496,403,755,932/161,803,242.36 - Step 6: Final answer
x = 104,481,814.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.