Finding the Fourth Proportional to 68,836,827.68, 95,001,684.35 and 51,402,905.68
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Solution
The fourth proportional to 68,836,827.68, 95,001,684.35 and 51,402,905.68 is: 70,941,134.05
Step by Step Solution
- Step 1: Write the proportion equation
68,836,827.68 : 95,001,684.35 = 51,402,905.68 : x - Step 2: Convert to fraction form
68,836,827.68/95,001,684.35 = 51,402,905.68/x - Step 3: Cross multiply
68,836,827.68x = 95,001,684.35 × 51,402,905.68 - Step 4: Simplify right side
68,836,827.68x = 4,883,362,619,737,681 - Step 5: Solve for x
x = 4,883,362,619,737,681/68,836,827.68 - Step 6: Final answer
x = 70,941,134.05
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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.