Finding the Fourth Proportional to 166,213,644.84, 249,308,642.61 and 51,186,192.84
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Solution
The fourth proportional to 166,213,644.84, 249,308,642.61 and 51,186,192.84 is: 76,775,647.81
Step by Step Solution
- Step 1: Write the proportion equation
166,213,644.84 : 249,308,642.61 = 51,186,192.84 : x - Step 2: Convert to fraction form
166,213,644.84/249,308,642.61 = 51,186,192.84/x - Step 3: Cross multiply
166,213,644.84x = 249,308,642.61 × 51,186,192.84 - Step 4: Simplify right side
166,213,644.84x = 12,761,160,257,314,102 - Step 5: Solve for x
x = 12,761,160,257,314,102/166,213,644.84 - Step 6: Final answer
x = 76,775,647.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.