Finding the Fourth Proportional to 199,623,884.70, 275,088,544.74 and 152,634,199.54
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Solution
The fourth proportional to 199,623,884.70, 275,088,544.74 and 152,634,199.54 is: 210,335,150.49
Step by Step Solution
- Step 1: Write the proportion equation
199,623,884.70 : 275,088,544.74 = 152,634,199.54 : x - Step 2: Convert to fraction form
199,623,884.70/275,088,544.74 = 152,634,199.54/x - Step 3: Cross multiply
199,623,884.70x = 275,088,544.74 × 152,634,199.54 - Step 4: Simplify right side
199,623,884.70x = 41,987,919,829,013,376 - Step 5: Solve for x
x = 41,987,919,829,013,376/199,623,884.70 - Step 6: Final answer
x = 210,335,150.49
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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.