Finding the Fourth Proportional to 115,917,689.80, 173,876,534.70 and 62,169,977.80
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Solution
The fourth proportional to 115,917,689.80, 173,876,534.70 and 62,169,977.80 is: 93,254,966.70
Step by Step Solution
- Step 1: Write the proportion equation
115,917,689.80 : 173,876,534.70 = 62,169,977.80 : x - Step 2: Convert to fraction form
115,917,689.80/173,876,534.70 = 62,169,977.80/x - Step 3: Cross multiply
115,917,689.80x = 173,876,534.70 × 62,169,977.80 - Step 4: Simplify right side
115,917,689.80x = 10,809,900,302,239,928 - Step 5: Solve for x
x = 10,809,900,302,239,928/115,917,689.80 - Step 6: Final answer
x = 93,254,966.70
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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.