Finding the Fourth Proportional to 275,688,408.99, 380,438,927.83 and 150,237,940.98
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Solution
The fourth proportional to 275,688,408.99, 380,438,927.83 and 150,237,940.98 is: 207,322,322.30
Step by Step Solution
- Step 1: Write the proportion equation
275,688,408.99 : 380,438,927.83 = 150,237,940.98 : x - Step 2: Convert to fraction form
275,688,408.99/380,438,927.83 = 150,237,940.98/x - Step 3: Cross multiply
275,688,408.99x = 380,438,927.83 × 150,237,940.98 - Step 4: Simplify right side
275,688,408.99x = 57,156,361,183,164,632 - Step 5: Solve for x
x = 57,156,361,183,164,632/275,688,408.99 - Step 6: Final answer
x = 207,322,322.30
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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.