Finding the Fourth Proportional to 63,555,775.36, 87,795,511.68 and 61,196,174.08
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Solution
The fourth proportional to 63,555,775.36, 87,795,511.68 and 61,196,174.08 is: 84,535,974.67
Step by Step Solution
- Step 1: Write the proportion equation
63,555,775.36 : 87,795,511.68 = 61,196,174.08 : x - Step 2: Convert to fraction form
63,555,775.36/87,795,511.68 = 61,196,174.08/x - Step 3: Cross multiply
63,555,775.36x = 87,795,511.68 × 61,196,174.08 - Step 4: Simplify right side
63,555,775.36x = 5,372,749,416,211,954 - Step 5: Solve for x
x = 5,372,749,416,211,954/63,555,775.36 - Step 6: Final answer
x = 84,535,974.67
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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.