Finding the Fourth Proportional to 86,194,135.68, 118,950,435.60 and 47,038,440.88
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Solution
The fourth proportional to 86,194,135.68, 118,950,435.60 and 47,038,440.88 is: 64,914,428.21
Step by Step Solution
- Step 1: Write the proportion equation
86,194,135.68 : 118,950,435.60 = 47,038,440.88 : x - Step 2: Convert to fraction form
86,194,135.68/118,950,435.60 = 47,038,440.88/x - Step 3: Cross multiply
86,194,135.68x = 118,950,435.60 × 47,038,440.88 - Step 4: Simplify right side
86,194,135.68x = 5,595,243,032,620,847 - Step 5: Solve for x
x = 5,595,243,032,620,847/86,194,135.68 - Step 6: Final answer
x = 64,914,428.21
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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.