Finding the Fourth Proportional to 108,125,037.95, 149,204,806.02 and 63,472,823.08
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Solution
The fourth proportional to 108,125,037.95, 149,204,806.02 and 63,472,823.08 is: 87,587,948.50
Step by Step Solution
- Step 1: Write the proportion equation
108,125,037.95 : 149,204,806.02 = 63,472,823.08 : x - Step 2: Convert to fraction form
108,125,037.95/149,204,806.02 = 63,472,823.08/x - Step 3: Cross multiply
108,125,037.95x = 149,204,806.02 × 63,472,823.08 - Step 4: Simplify right side
108,125,037.95x = 9,470,450,254,820,168 - Step 5: Solve for x
x = 9,470,450,254,820,168/108,125,037.95 - Step 6: Final answer
x = 87,587,948.50
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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.