Finding the Fourth Proportional to 69,984,088.78, 104,976,133.17 and 51,844,235.98
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Solution
The fourth proportional to 69,984,088.78, 104,976,133.17 and 51,844,235.98 is: 77,766,353.96
Step by Step Solution
- Step 1: Write the proportion equation
69,984,088.78 : 104,976,133.17 = 51,844,235.98 : x - Step 2: Convert to fraction form
69,984,088.78/104,976,133.17 = 51,844,235.98/x - Step 3: Cross multiply
69,984,088.78x = 104,976,133.17 × 51,844,235.98 - Step 4: Simplify right side
69,984,088.78x = 5,442,407,419,549,284 - Step 5: Solve for x
x = 5,442,407,419,549,284/69,984,088.78 - Step 6: Final answer
x = 77,766,353.96
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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.