Finding the Fourth Proportional to 268,166,165.58, 402,032,177.49 and 83,838,761.05
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Solution
The fourth proportional to 268,166,165.58, 402,032,177.49 and 83,838,761.05 is: 125,690,277.11
Step by Step Solution
- Step 1: Write the proportion equation
268,166,165.58 : 402,032,177.49 = 83,838,761.05 : x - Step 2: Convert to fraction form
268,166,165.58/402,032,177.49 = 83,838,761.05/x - Step 3: Cross multiply
268,166,165.58x = 402,032,177.49 × 83,838,761.05 - Step 4: Simplify right side
268,166,165.58x = 33,705,879,662,995,300 - Step 5: Solve for x
x = 33,705,879,662,995,300/268,166,165.58 - Step 6: Final answer
x = 125,690,277.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.