Finding the Fourth Proportional to 95,918,869.20, 143,879,616.36 and 31,222,948.08
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Solution
The fourth proportional to 95,918,869.20, 143,879,616.36 and 31,222,948.08 is: 46,834,849.38
Step by Step Solution
- Step 1: Write the proportion equation
95,918,869.20 : 143,879,616.36 = 31,222,948.08 : x - Step 2: Convert to fraction form
95,918,869.20/143,879,616.36 = 31,222,948.08/x - Step 3: Cross multiply
95,918,869.20x = 143,879,616.36 × 31,222,948.08 - Step 4: Simplify right side
95,918,869.20x = 4,492,345,791,378,599 - Step 5: Solve for x
x = 4,492,345,791,378,599/95,918,869.20 - Step 6: Final answer
x = 46,834,849.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.