Finding the Fourth Proportional to 127,261,583,787.42, 175,628,824,545.42 and 70,168,717,725.12
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Solution
The fourth proportional to 127,261,583,787.42, 175,628,824,545.42 and 70,168,717,725.12 is: 96,837,152,636.01
Step by Step Solution
- Step 1: Write the proportion equation
127,261,583,787.42 : 175,628,824,545.42 = 70,168,717,725.12 : x - Step 2: Convert to fraction form
127,261,583,787.42/175,628,824,545.42 = 70,168,717,725.12/x - Step 3: Cross multiply
127,261,583,787.42x = 175,628,824,545.42 × 70,168,717,725.12 - Step 4: Simplify right side
127,261,583,787.42x = 12,323,649,413,922,202,583,040 - Step 5: Solve for x
x = 12,323,649,413,922,202,583,040/127,261,583,787.42 - Step 6: Final answer
x = 96,837,152,636.01
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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.