Finding the Fourth Proportional to 83,450,631.57, 115,168,765.77 and 46,292,891.94
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Solution
The fourth proportional to 83,450,631.57, 115,168,765.77 and 46,292,891.94 is: 63,888,015.33
Step by Step Solution
- Step 1: Write the proportion equation
83,450,631.57 : 115,168,765.77 = 46,292,891.94 : x - Step 2: Convert to fraction form
83,450,631.57/115,168,765.77 = 46,292,891.94/x - Step 3: Cross multiply
83,450,631.57x = 115,168,765.77 × 46,292,891.94 - Step 4: Simplify right side
83,450,631.57x = 5,331,495,228,653,780 - Step 5: Solve for x
x = 5,331,495,228,653,780/83,450,631.57 - Step 6: Final answer
x = 63,888,015.33
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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.