Finding the Fourth Proportional to 122,992,179.08, 169,731,223.62 and 73,436,883.21
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Solution
The fourth proportional to 122,992,179.08, 169,731,223.62 and 73,436,883.21 is: 101,344,102.84
Step by Step Solution
- Step 1: Write the proportion equation
122,992,179.08 : 169,731,223.62 = 73,436,883.21 : x - Step 2: Convert to fraction form
122,992,179.08/169,731,223.62 = 73,436,883.21/x - Step 3: Cross multiply
122,992,179.08x = 169,731,223.62 × 73,436,883.21 - Step 4: Simplify right side
122,992,179.08x = 12,464,532,045,319,830 - Step 5: Solve for x
x = 12,464,532,045,319,830/122,992,179.08 - Step 6: Final answer
x = 101,344,102.84
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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.