Finding the Fourth Proportional to 86,177,917.48, 118,925,351.90 and 47,019,671.56
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Solution
The fourth proportional to 86,177,917.48, 118,925,351.90 and 47,019,671.56 is: 64,887,051.70
Step by Step Solution
- Step 1: Write the proportion equation
86,177,917.48 : 118,925,351.90 = 47,019,671.56 : x - Step 2: Convert to fraction form
86,177,917.48/118,925,351.90 = 47,019,671.56/x - Step 3: Cross multiply
86,177,917.48x = 118,925,351.90 × 47,019,671.56 - Step 4: Simplify right side
86,177,917.48x = 5,591,830,986,495,423 - Step 5: Solve for x
x = 5,591,830,986,495,423/86,177,917.48 - Step 6: Final answer
x = 64,887,051.70
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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.