Finding the Fourth Proportional to 189,444,411.36, 261,433,284.48 and 102,524,283.36
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Solution
The fourth proportional to 189,444,411.36, 261,433,284.48 and 102,524,283.36 is: 141,483,509.31
Step by Step Solution
- Step 1: Write the proportion equation
189,444,411.36 : 261,433,284.48 = 102,524,283.36 : x - Step 2: Convert to fraction form
189,444,411.36/261,433,284.48 = 102,524,283.36/x - Step 3: Cross multiply
189,444,411.36x = 261,433,284.48 × 102,524,283.36 - Step 4: Simplify right side
189,444,411.36x = 26,803,260,137,763,008 - Step 5: Solve for x
x = 26,803,260,137,763,008/189,444,411.36 - Step 6: Final answer
x = 141,483,509.31
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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.