Finding the Fourth Proportional to 122,081,201.80, 183,121,802.70 and 99,122,950.60
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Solution
The fourth proportional to 122,081,201.80, 183,121,802.70 and 99,122,950.60 is: 148,684,425.90
Step by Step Solution
- Step 1: Write the proportion equation
122,081,201.80 : 183,121,802.70 = 99,122,950.60 : x - Step 2: Convert to fraction form
122,081,201.80/183,121,802.70 = 99,122,950.60/x - Step 3: Cross multiply
122,081,201.80x = 183,121,802.70 × 99,122,950.60 - Step 4: Simplify right side
122,081,201.80x = 18,151,573,402,815,044 - Step 5: Solve for x
x = 18,151,573,402,815,044/122,081,201.80 - Step 6: Final answer
x = 148,684,425.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.