Finding the Fourth Proportional to 50,346,029.36, 69,434,595.94 and 42,543,642.80
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Solution
The fourth proportional to 50,346,029.36, 69,434,595.94 and 42,543,642.80 is: 58,673,954.73
Step by Step Solution
- Step 1: Write the proportion equation
50,346,029.36 : 69,434,595.94 = 42,543,642.80 : x - Step 2: Convert to fraction form
50,346,029.36/69,434,595.94 = 42,543,642.80/x - Step 3: Cross multiply
50,346,029.36x = 69,434,595.94 × 42,543,642.80 - Step 4: Simplify right side
50,346,029.36x = 2,954,000,647,633,690 - Step 5: Solve for x
x = 2,954,000,647,633,690/50,346,029.36 - Step 6: Final answer
x = 58,673,954.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.