Finding the Fourth Proportional to 210,374,530.11, 290,311,282.53 and 117,555,800.67
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Solution
The fourth proportional to 210,374,530.11, 290,311,282.53 and 117,555,800.67 is: 162,223,892.99
Step by Step Solution
- Step 1: Write the proportion equation
210,374,530.11 : 290,311,282.53 = 117,555,800.67 : x - Step 2: Convert to fraction form
210,374,530.11/290,311,282.53 = 117,555,800.67/x - Step 3: Cross multiply
210,374,530.11x = 290,311,282.53 × 117,555,800.67 - Step 4: Simplify right side
210,374,530.11x = 34,127,775,261,348,732 - Step 5: Solve for x
x = 34,127,775,261,348,732/210,374,530.11 - Step 6: Final answer
x = 162,223,892.99
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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.