Finding the Fourth Proportional to 83,103,705.36, 124,661,823.80 and 24,806,778.21
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Solution
The fourth proportional to 83,103,705.36, 124,661,823.80 and 24,806,778.21 is: 37,212,037.67
Step by Step Solution
- Step 1: Write the proportion equation
83,103,705.36 : 124,661,823.80 = 24,806,778.21 : x - Step 2: Convert to fraction form
83,103,705.36/124,661,823.80 = 24,806,778.21/x - Step 3: Cross multiply
83,103,705.36x = 124,661,823.80 × 24,806,778.21 - Step 4: Simplify right side
83,103,705.36x = 3,092,458,214,136,665.50 - Step 5: Solve for x
x = 3,092,458,214,136,665.50/83,103,705.36 - Step 6: Final answer
x = 37,212,037.67
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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.