Finding the Fourth Proportional to 53,805,378.90, 74,232,913.56 and 32,618,991.36
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Solution
The fourth proportional to 53,805,378.90, 74,232,913.56 and 32,618,991.36 is: 45,002,986.98
Step by Step Solution
- Step 1: Write the proportion equation
53,805,378.90 : 74,232,913.56 = 32,618,991.36 : x - Step 2: Convert to fraction form
53,805,378.90/74,232,913.56 = 32,618,991.36/x - Step 3: Cross multiply
53,805,378.90x = 74,232,913.56 × 32,618,991.36 - Step 4: Simplify right side
53,805,378.90x = 2,421,402,766,041,267 - Step 5: Solve for x
x = 2,421,402,766,041,267/53,805,378.90 - Step 6: Final answer
x = 45,002,986.98
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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.