Finding the Fourth Proportional to 67,772,574.80, 101,546,887.80 and 57,694,878.80
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Solution
The fourth proportional to 67,772,574.80, 101,546,887.80 and 57,694,878.80 is: 86,446,994.25
Step by Step Solution
- Step 1: Write the proportion equation
67,772,574.80 : 101,546,887.80 = 57,694,878.80 : x - Step 2: Convert to fraction form
67,772,574.80/101,546,887.80 = 57,694,878.80/x - Step 3: Cross multiply
67,772,574.80x = 101,546,887.80 × 57,694,878.80 - Step 4: Simplify right side
67,772,574.80x = 5,858,735,384,138,198 - Step 5: Solve for x
x = 5,858,735,384,138,198/67,772,574.80 - Step 6: Final answer
x = 86,446,994.25
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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.