Finding the Fourth Proportional to 268,731,935.70, 370,849,161.84 and 151,257,197.88
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Solution
The fourth proportional to 268,731,935.70, 370,849,161.84 and 151,257,197.88 is: 208,734,421.20
Step by Step Solution
- Step 1: Write the proportion equation
268,731,935.70 : 370,849,161.84 = 151,257,197.88 : x - Step 2: Convert to fraction form
268,731,935.70/370,849,161.84 = 151,257,197.88/x - Step 3: Cross multiply
268,731,935.70x = 370,849,161.84 × 151,257,197.88 - Step 4: Simplify right side
268,731,935.70x = 56,093,605,056,065,016 - Step 5: Solve for x
x = 56,093,605,056,065,016/268,731,935.70 - Step 6: Final answer
x = 208,734,421.20
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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.