Finding the Fourth Proportional to 122,173,290.96, 168,551,435.52 and 69,934,409.52
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Solution
The fourth proportional to 122,173,290.96, 168,551,435.52 and 69,934,409.52 is: 96,482,177.28
Step by Step Solution
- Step 1: Write the proportion equation
122,173,290.96 : 168,551,435.52 = 69,934,409.52 : x - Step 2: Convert to fraction form
122,173,290.96/168,551,435.52 = 69,934,409.52/x - Step 3: Cross multiply
122,173,290.96x = 168,551,435.52 × 69,934,409.52 - Step 4: Simplify right side
122,173,290.96x = 11,787,545,116,839,554 - Step 5: Solve for x
x = 11,787,545,116,839,554/122,173,290.96 - Step 6: Final answer
x = 96,482,177.28
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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.