Finding the Fourth Proportional to 53,099,157.69, 79,657,134.62 and 19,019,749.05
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Solution
The fourth proportional to 53,099,157.69, 79,657,134.62 and 19,019,749.05 is: 28,532,631.71
Step by Step Solution
- Step 1: Write the proportion equation
53,099,157.69 : 79,657,134.62 = 19,019,749.05 : x - Step 2: Convert to fraction form
53,099,157.69/79,657,134.62 = 19,019,749.05/x - Step 3: Cross multiply
53,099,157.69x = 79,657,134.62 × 19,019,749.05 - Step 4: Simplify right side
53,099,157.69x = 1,515,058,710,419,368.25 - Step 5: Solve for x
x = 1,515,058,710,419,368.25/53,099,157.69 - Step 6: Final answer
x = 28,532,631.71
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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.