Finding the Fourth Proportional to 199,771,822.68, 299,658,119.48 and 77,007,951.13
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Solution
The fourth proportional to 199,771,822.68, 299,658,119.48 and 77,007,951.13 is: 115,512,075.28
Step by Step Solution
- Step 1: Write the proportion equation
199,771,822.68 : 299,658,119.48 = 77,007,951.13 : x - Step 2: Convert to fraction form
199,771,822.68/299,658,119.48 = 77,007,951.13/x - Step 3: Cross multiply
199,771,822.68x = 299,658,119.48 × 77,007,951.13 - Step 4: Simplify right side
199,771,822.68x = 23,076,057,820,623,540 - Step 5: Solve for x
x = 23,076,057,820,623,540/199,771,822.68 - Step 6: Final answer
x = 115,512,075.28
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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.