Finding the Fourth Proportional to 127,505,694,938.12, 175,957,925,811.92 and 69,634,867,005.08
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Solution
The fourth proportional to 127,505,694,938.12, 175,957,925,811.92 and 69,634,867,005.08 is: 96,096,152,947.12
Step by Step Solution
- Step 1: Write the proportion equation
127,505,694,938.12 : 175,957,925,811.92 = 69,634,867,005.08 : x - Step 2: Convert to fraction form
127,505,694,938.12/175,957,925,811.92 = 69,634,867,005.08/x - Step 3: Cross multiply
127,505,694,938.12x = 175,957,925,811.92 × 69,634,867,005.08 - Step 4: Simplify right side
127,505,694,938.12x = 12,252,806,762,402,783,690,752 - Step 5: Solve for x
x = 12,252,806,762,402,783,690,752/127,505,694,938.12 - Step 6: Final answer
x = 96,096,152,947.12
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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.