Finding the Fourth Proportional to 51,379,824.14, 77,050,534.35 and 20,664,036.08
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Solution
The fourth proportional to 51,379,824.14, 77,050,534.35 and 20,664,036.08 is: 30,988,331.48
Step by Step Solution
- Step 1: Write the proportion equation
51,379,824.14 : 77,050,534.35 = 20,664,036.08 : x - Step 2: Convert to fraction form
51,379,824.14/77,050,534.35 = 20,664,036.08/x - Step 3: Cross multiply
51,379,824.14x = 77,050,534.35 × 20,664,036.08 - Step 4: Simplify right side
51,379,824.14x = 1,592,175,021,791,679 - Step 5: Solve for x
x = 1,592,175,021,791,679/51,379,824.14 - Step 6: Final answer
x = 30,988,331.48
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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.