Finding the Fourth Proportional to 268,164,034.36, 402,029,079.38 and 83,836,675.96
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Solution
The fourth proportional to 268,164,034.36, 402,029,079.38 and 83,836,675.96 is: 125,687,181.49
Step by Step Solution
- Step 1: Write the proportion equation
268,164,034.36 : 402,029,079.38 = 83,836,675.96 : x - Step 2: Convert to fraction form
268,164,034.36/402,029,079.38 = 83,836,675.96/x - Step 3: Cross multiply
268,164,034.36x = 402,029,079.38 × 83,836,675.96 - Step 4: Simplify right side
268,164,034.36x = 33,704,781,654,478,176 - Step 5: Solve for x
x = 33,704,781,654,478,176/268,164,034.36 - Step 6: Final answer
x = 125,687,181.49
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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.