Finding the Fourth Proportional to 84,958,025.22, 117,208,878.18 and 47,779,783.02
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Solution
The fourth proportional to 84,958,025.22, 117,208,878.18 and 47,779,783.02 is: 65,917,431.02
Step by Step Solution
- Step 1: Write the proportion equation
84,958,025.22 : 117,208,878.18 = 47,779,783.02 : x - Step 2: Convert to fraction form
84,958,025.22/117,208,878.18 = 47,779,783.02/x - Step 3: Cross multiply
84,958,025.22x = 117,208,878.18 × 47,779,783.02 - Step 4: Simplify right side
84,958,025.22x = 5,600,214,767,458,013 - Step 5: Solve for x
x = 5,600,214,767,458,013/84,958,025.22 - Step 6: Final answer
x = 65,917,431.02
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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.