Finding the Fourth Proportional to 93,322,981.80, 139,984,472.70 and 87,351,013.80
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Solution
The fourth proportional to 93,322,981.80, 139,984,472.70 and 87,351,013.80 is: 131,026,520.70
Step by Step Solution
- Step 1: Write the proportion equation
93,322,981.80 : 139,984,472.70 = 87,351,013.80 : x - Step 2: Convert to fraction form
93,322,981.80/139,984,472.70 = 87,351,013.80/x - Step 3: Cross multiply
93,322,981.80x = 139,984,472.70 × 87,351,013.80 - Step 4: Simplify right side
93,322,981.80x = 12,227,785,606,603,422 - Step 5: Solve for x
x = 12,227,785,606,603,422/93,322,981.80 - Step 6: Final answer
x = 131,026,520.70
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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.