Finding the Fourth Proportional to 210,030,266.74, 289,846,407.84 and 115,944,190.84
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Solution
The fourth proportional to 210,030,266.74, 289,846,407.84 and 115,944,190.84 is: 160,005,544.66
Step by Step Solution
- Step 1: Write the proportion equation
210,030,266.74 : 289,846,407.84 = 115,944,190.84 : x - Step 2: Convert to fraction form
210,030,266.74/289,846,407.84 = 115,944,190.84/x - Step 3: Cross multiply
210,030,266.74x = 289,846,407.84 × 115,944,190.84 - Step 4: Simplify right side
210,030,266.74x = 33,606,007,224,889,432 - Step 5: Solve for x
x = 33,606,007,224,889,432/210,030,266.74 - Step 6: Final answer
x = 160,005,544.66
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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.