Finding the Fourth Proportional to 53,319,389.87, 79,975,093.93 and 19,240,734.53
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Solution
The fourth proportional to 53,319,389.87, 79,975,093.93 and 19,240,734.53 is: 28,859,661.66
Step by Step Solution
- Step 1: Write the proportion equation
53,319,389.87 : 79,975,093.93 = 19,240,734.53 : x - Step 2: Convert to fraction form
53,319,389.87/79,975,093.93 = 19,240,734.53/x - Step 3: Cross multiply
53,319,389.87x = 79,975,093.93 × 19,240,734.53 - Step 4: Simplify right side
53,319,389.87x = 1,538,779,551,318,944.75 - Step 5: Solve for x
x = 1,538,779,551,318,944.75/53,319,389.87 - Step 6: Final answer
x = 28,859,661.66
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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.