Finding the Fourth Proportional to 107,740,966,955.91, 161,611,605,974.97 and 43,998,312,841.53
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Solution
The fourth proportional to 107,740,966,955.91, 161,611,605,974.97 and 43,998,312,841.53 is: 65,997,532,780.81
Step by Step Solution
- Step 1: Write the proportion equation
107,740,966,955.91 : 161,611,605,974.97 = 43,998,312,841.53 : x - Step 2: Convert to fraction form
107,740,966,955.91/161,611,605,974.97 = 43,998,312,841.53/x - Step 3: Cross multiply
107,740,966,955.91x = 161,611,605,974.97 × 43,998,312,841.53 - Step 4: Simplify right side
107,740,966,955.91x = 7,110,637,998,508,808,863,744 - Step 5: Solve for x
x = 7,110,637,998,508,808,863,744/107,740,966,955.91 - Step 6: Final answer
x = 65,997,532,780.81
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1.5x scale
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.