Finding the Fourth Proportional to 69,936,023.80, 104,904,035.70 and 39,702,935.80
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Solution
The fourth proportional to 69,936,023.80, 104,904,035.70 and 39,702,935.80 is: 59,554,403.70
Step by Step Solution
- Step 1: Write the proportion equation
69,936,023.80 : 104,904,035.70 = 39,702,935.80 : x - Step 2: Convert to fraction form
69,936,023.80/104,904,035.70 = 39,702,935.80/x - Step 3: Cross multiply
69,936,023.80x = 104,904,035.70 × 39,702,935.80 - Step 4: Simplify right side
69,936,023.80x = 4,164,998,194,558,008 - Step 5: Solve for x
x = 4,164,998,194,558,008/69,936,023.80 - Step 6: Final answer
x = 59,554,403.70
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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.