Finding the Fourth Proportional to 216,963,583.98, 299,411,943.03 and 117,846,266.82
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Solution
The fourth proportional to 216,963,583.98, 299,411,943.03 and 117,846,266.82 is: 162,629,041.61
Step by Step Solution
- Step 1: Write the proportion equation
216,963,583.98 : 299,411,943.03 = 117,846,266.82 : x - Step 2: Convert to fraction form
216,963,583.98/299,411,943.03 = 117,846,266.82/x - Step 3: Cross multiply
216,963,583.98x = 299,411,943.03 × 117,846,266.82 - Step 4: Simplify right side
216,963,583.98x = 35,284,579,727,408,012 - Step 5: Solve for x
x = 35,284,579,727,408,012/216,963,583.98 - Step 6: Final answer
x = 162,629,041.61
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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.