Finding the Fourth Proportional to 83,328,579.16, 115,033,314.42 and 55,497,604.48
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Solution
The fourth proportional to 83,328,579.16, 115,033,314.42 and 55,497,604.48 is: 76,613,251.42
Step by Step Solution
- Step 1: Write the proportion equation
83,328,579.16 : 115,033,314.42 = 55,497,604.48 : x - Step 2: Convert to fraction form
83,328,579.16/115,033,314.42 = 55,497,604.48/x - Step 3: Cross multiply
83,328,579.16x = 115,033,314.42 × 55,497,604.48 - Step 4: Simplify right side
83,328,579.16x = 6,384,073,385,704,640 - Step 5: Solve for x
x = 6,384,073,385,704,640/83,328,579.16 - Step 6: Final answer
x = 76,613,251.42
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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.