Finding the Fourth Proportional to 205,963,115.08, 283,958,637.40 and 148,628,695.84
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Solution
The fourth proportional to 205,963,115.08, 283,958,637.40 and 148,628,695.84 is: 204,912,427.81
Step by Step Solution
- Step 1: Write the proportion equation
205,963,115.08 : 283,958,637.40 = 148,628,695.84 : x - Step 2: Convert to fraction form
205,963,115.08/283,958,637.40 = 148,628,695.84/x - Step 3: Cross multiply
205,963,115.08x = 283,958,637.40 × 148,628,695.84 - Step 4: Simplify right side
205,963,115.08x = 42,204,401,948,522,304 - Step 5: Solve for x
x = 42,204,401,948,522,304/205,963,115.08 - Step 6: Final answer
x = 204,912,427.81
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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.