Finding the Fourth Proportional to 82,746,374,953.62, 124,119,564,072.60 and 19,861,673,480.65
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Solution
The fourth proportional to 82,746,374,953.62, 124,119,564,072.60 and 19,861,673,480.65 is: 29,792,510,615.15
Step by Step Solution
- Step 1: Write the proportion equation
82,746,374,953.62 : 124,119,564,072.60 = 19,861,673,480.65 : x - Step 2: Convert to fraction form
82,746,374,953.62/124,119,564,072.60 = 19,861,673,480.65/x - Step 3: Cross multiply
82,746,374,953.62x = 124,119,564,072.60 × 19,861,673,480.65 - Step 4: Simplify right side
82,746,374,953.62x = 2,465,222,254,170,598,277,120 - Step 5: Solve for x
x = 2,465,222,254,170,598,277,120/82,746,374,953.62 - Step 6: Final answer
x = 29,792,510,615.15
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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.