Finding the Fourth Proportional to 118,591,725.67, 163,647,645.92 and 72,176,849.71
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Solution
The fourth proportional to 118,591,725.67, 163,647,645.92 and 72,176,849.71 is: 99,598,614.31
Step by Step Solution
- Step 1: Write the proportion equation
118,591,725.67 : 163,647,645.92 = 72,176,849.71 : x - Step 2: Convert to fraction form
118,591,725.67/163,647,645.92 = 72,176,849.71/x - Step 3: Cross multiply
118,591,725.67x = 163,647,645.92 × 72,176,849.71 - Step 4: Simplify right side
118,591,725.67x = 11,811,571,544,963,132 - Step 5: Solve for x
x = 11,811,571,544,963,132/118,591,725.67 - Step 6: Final answer
x = 99,598,614.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.