Finding the Fourth Proportional to 249,253,343.16, 373,545,813.59 and 193,987,912.49
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Solution
The fourth proportional to 249,253,343.16, 373,545,813.59 and 193,987,912.49 is: 290,721,767.98
Step by Step Solution
- Step 1: Write the proportion equation
249,253,343.16 : 373,545,813.59 = 193,987,912.49 : x - Step 2: Convert to fraction form
249,253,343.16/373,545,813.59 = 193,987,912.49/x - Step 3: Cross multiply
249,253,343.16x = 373,545,813.59 × 193,987,912.49 - Step 4: Simplify right side
249,253,343.16x = 72,463,372,597,702,768 - Step 5: Solve for x
x = 72,463,372,597,702,768/249,253,343.16 - Step 6: Final answer
x = 290,721,767.98
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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.