Finding the Fourth Proportional to 89,945,790.84, 124,125,232.95 and 48,692,683.26
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Solution
The fourth proportional to 89,945,790.84, 124,125,232.95 and 48,692,683.26 is: 67,195,925.41
Step by Step Solution
- Step 1: Write the proportion equation
89,945,790.84 : 124,125,232.95 = 48,692,683.26 : x - Step 2: Convert to fraction form
89,945,790.84/124,125,232.95 = 48,692,683.26/x - Step 3: Cross multiply
89,945,790.84x = 124,125,232.95 × 48,692,683.26 - Step 4: Simplify right side
89,945,790.84x = 6,043,990,652,608,065 - Step 5: Solve for x
x = 6,043,990,652,608,065/89,945,790.84 - Step 6: Final answer
x = 67,195,925.41
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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.