Finding the Fourth Proportional to 210,030,262.00, 289,846,401.28 and 115,944,186.08
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Solution
The fourth proportional to 210,030,262.00, 289,846,401.28 and 115,944,186.08 is: 160,005,538.09
Step by Step Solution
- Step 1: Write the proportion equation
210,030,262.00 : 289,846,401.28 = 115,944,186.08 : x - Step 2: Convert to fraction form
210,030,262.00/289,846,401.28 = 115,944,186.08/x - Step 3: Cross multiply
210,030,262.00x = 289,846,401.28 × 115,944,186.08 - Step 4: Simplify right side
210,030,262.00x = 33,606,005,085,061,420 - Step 5: Solve for x
x = 33,606,005,085,061,420/210,030,262.00 - Step 6: Final answer
x = 160,005,538.09
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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.