Finding the Fourth Proportional to 210,374,585.24, 290,311,358.65 and 117,555,855.80
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Solution
The fourth proportional to 210,374,585.24, 290,311,358.65 and 117,555,855.80 is: 162,223,969.09
Step by Step Solution
- Step 1: Write the proportion equation
210,374,585.24 : 290,311,358.65 = 117,555,855.80 : x - Step 2: Convert to fraction form
210,374,585.24/290,311,358.65 = 117,555,855.80/x - Step 3: Cross multiply
210,374,585.24x = 290,311,358.65 × 117,555,855.80 - Step 4: Simplify right side
210,374,585.24x = 34,127,800,212,816,036 - Step 5: Solve for x
x = 34,127,800,212,816,036/210,374,585.24 - Step 6: Final answer
x = 162,223,969.09
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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.