Finding the Fourth Proportional to 131,092,436,686.07, 180,905,637,343.49 and 73,221,661,049.98
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Solution
The fourth proportional to 131,092,436,686.07, 180,905,637,343.49 and 73,221,661,049.98 is: 101,044,816,882.28
Step by Step Solution
- Step 1: Write the proportion equation
131,092,436,686.07 : 180,905,637,343.49 = 73,221,661,049.98 : x - Step 2: Convert to fraction form
131,092,436,686.07/180,905,637,343.49 = 73,221,661,049.98/x - Step 3: Cross multiply
131,092,436,686.07x = 180,905,637,343.49 × 73,221,661,049.98 - Step 4: Simplify right side
131,092,436,686.07x = 13,246,211,259,595,627,692,032 - Step 5: Solve for x
x = 13,246,211,259,595,627,692,032/131,092,436,686.07 - Step 6: Final answer
x = 101,044,816,882.28
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1.5x scale
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.