Finding the Fourth Proportional to 75,181,539.80, 112,772,309.70 and 44,948,451.80
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Solution
The fourth proportional to 75,181,539.80, 112,772,309.70 and 44,948,451.80 is: 67,422,677.70
Step by Step Solution
- Step 1: Write the proportion equation
75,181,539.80 : 112,772,309.70 = 44,948,451.80 : x - Step 2: Convert to fraction form
75,181,539.80/112,772,309.70 = 44,948,451.80/x - Step 3: Cross multiply
75,181,539.80x = 112,772,309.70 × 44,948,451.80 - Step 4: Simplify right side
75,181,539.80x = 5,068,940,726,925,122 - Step 5: Solve for x
x = 5,068,940,726,925,122/75,181,539.80 - Step 6: Final answer
x = 67,422,677.70
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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.