Finding the Fourth Proportional to 164,752,665.12, 227,342,126.79 and 98,671,471.11
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Solution
The fourth proportional to 164,752,665.12, 227,342,126.79 and 98,671,471.11 is: 136,156,717.58
Step by Step Solution
- Step 1: Write the proportion equation
164,752,665.12 : 227,342,126.79 = 98,671,471.11 : x - Step 2: Convert to fraction form
164,752,665.12/227,342,126.79 = 98,671,471.11/x - Step 3: Cross multiply
164,752,665.12x = 227,342,126.79 × 98,671,471.11 - Step 4: Simplify right side
164,752,665.12x = 22,432,182,095,645,440 - Step 5: Solve for x
x = 22,432,182,095,645,440/164,752,665.12 - Step 6: Final answer
x = 136,156,717.58
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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.