Finding the Fourth Proportional to 69,571,837.60, 104,258,223.60 and 51,232,919.20
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Solution
The fourth proportional to 69,571,837.60, 104,258,223.60 and 51,232,919.20 is: 76,776,082.53
Step by Step Solution
- Step 1: Write the proportion equation
69,571,837.60 : 104,258,223.60 = 51,232,919.20 : x - Step 2: Convert to fraction form
69,571,837.60/104,258,223.60 = 51,232,919.20/x - Step 3: Cross multiply
69,571,837.60x = 104,258,223.60 × 51,232,919.20 - Step 4: Simplify right side
69,571,837.60x = 5,341,453,145,634,333 - Step 5: Solve for x
x = 5,341,453,145,634,333/69,571,837.60 - Step 6: Final answer
x = 76,776,082.53
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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.