Finding the Fourth Proportional to 122,907,972.44, 169,610,995.49 and 67,152,192.95
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Solution
The fourth proportional to 122,907,972.44, 169,610,995.49 and 67,152,192.95 is: 92,668,930.00
Step by Step Solution
- Step 1: Write the proportion equation
122,907,972.44 : 169,610,995.49 = 67,152,192.95 : x - Step 2: Convert to fraction form
122,907,972.44/169,610,995.49 = 67,152,192.95/x - Step 3: Cross multiply
122,907,972.44x = 169,610,995.49 × 67,152,192.95 - Step 4: Simplify right side
122,907,972.44x = 11,389,750,294,402,244 - Step 5: Solve for x
x = 11,389,750,294,402,244/122,907,972.44 - Step 6: Final answer
x = 92,668,930.00
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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.