Finding the Fourth Proportional to 199,771,821.68, 299,658,117.98 and 77,007,950.13
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Solution
The fourth proportional to 199,771,821.68, 299,658,117.98 and 77,007,950.13 is: 115,512,073.78
Step by Step Solution
- Step 1: Write the proportion equation
199,771,821.68 : 299,658,117.98 = 77,007,950.13 : x - Step 2: Convert to fraction form
199,771,821.68/299,658,117.98 = 77,007,950.13/x - Step 3: Cross multiply
199,771,821.68x = 299,658,117.98 × 77,007,950.13 - Step 4: Simplify right side
199,771,821.68x = 23,076,057,405,453,496 - Step 5: Solve for x
x = 23,076,057,405,453,496/199,771,821.68 - Step 6: Final answer
x = 115,512,073.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.