Finding the Fourth Proportional to 97,089,889.42, 133,988,119.95 and 55,836,814.78
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Solution
The fourth proportional to 97,089,889.42, 133,988,119.95 and 55,836,814.78 is: 77,057,146.54
Step by Step Solution
- Step 1: Write the proportion equation
97,089,889.42 : 133,988,119.95 = 55,836,814.78 : x - Step 2: Convert to fraction form
97,089,889.42/133,988,119.95 = 55,836,814.78/x - Step 3: Cross multiply
97,089,889.42x = 133,988,119.95 × 55,836,814.78 - Step 4: Simplify right side
97,089,889.42x = 7,481,469,836,368,573 - Step 5: Solve for x
x = 7,481,469,836,368,573/97,089,889.42 - Step 6: Final answer
x = 77,057,146.54
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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.