Finding the Fourth Proportional to 51,063,417.28, 70,467,181.77 and 29,036,917.99
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Solution
The fourth proportional to 51,063,417.28, 70,467,181.77 and 29,036,917.99 is: 40,070,756.86
Step by Step Solution
- Step 1: Write the proportion equation
51,063,417.28 : 70,467,181.77 = 29,036,917.99 : x - Step 2: Convert to fraction form
51,063,417.28/70,467,181.77 = 29,036,917.99/x - Step 3: Cross multiply
51,063,417.28x = 70,467,181.77 × 29,036,917.99 - Step 4: Simplify right side
51,063,417.28x = 2,046,149,778,041,912.75 - Step 5: Solve for x
x = 2,046,149,778,041,912.75/51,063,417.28 - Step 6: Final answer
x = 40,070,756.86
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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.