Finding the Fourth Proportional to 83,649,235.17, 115,430,884.15 and 46,478,244.45
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Solution
The fourth proportional to 83,649,235.17, 115,430,884.15 and 46,478,244.45 is: 64,137,165.63
Step by Step Solution
- Step 1: Write the proportion equation
83,649,235.17 : 115,430,884.15 = 46,478,244.45 : x - Step 2: Convert to fraction form
83,649,235.17/115,430,884.15 = 46,478,244.45/x - Step 3: Cross multiply
83,649,235.17x = 115,430,884.15 × 46,478,244.45 - Step 4: Simplify right side
83,649,235.17x = 5,365,024,850,603,331 - Step 5: Solve for x
x = 5,365,024,850,603,331/83,649,235.17 - Step 6: Final answer
x = 64,137,165.63
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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.