Finding the Fourth Proportional to 243,891,378.75, 365,908,935.12 and 98,249,996.19
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Solution
The fourth proportional to 243,891,378.75, 365,908,935.12 and 98,249,996.19 is: 147,403,945.42
Step by Step Solution
- Step 1: Write the proportion equation
243,891,378.75 : 365,908,935.12 = 98,249,996.19 : x - Step 2: Convert to fraction form
243,891,378.75/365,908,935.12 = 98,249,996.19/x - Step 3: Cross multiply
243,891,378.75x = 365,908,935.12 × 98,249,996.19 - Step 4: Simplify right side
243,891,378.75x = 35,950,551,481,426,956 - Step 5: Solve for x
x = 35,950,551,481,426,956/243,891,378.75 - Step 6: Final answer
x = 147,403,945.42
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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.