Finding the Fourth Proportional to 180,557,921.36, 249,169,980.36 and 98,051,684.24
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Solution
The fourth proportional to 180,557,921.36, 249,169,980.36 and 98,051,684.24 is: 135,311,350.80
Step by Step Solution
- Step 1: Write the proportion equation
180,557,921.36 : 249,169,980.36 = 98,051,684.24 : x - Step 2: Convert to fraction form
180,557,921.36/249,169,980.36 = 98,051,684.24/x - Step 3: Cross multiply
180,557,921.36x = 249,169,980.36 × 98,051,684.24 - Step 4: Simplify right side
180,557,921.36x = 24,431,536,236,345,720 - Step 5: Solve for x
x = 24,431,536,236,345,720/180,557,921.36 - Step 6: Final answer
x = 135,311,350.80
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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.