Finding the Fourth Proportional to 171,877,441.70, 257,438,248.95 and 149,202,625.70
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Solution
The fourth proportional to 171,877,441.70, 257,438,248.95 and 149,202,625.70 is: 223,475,880.95
Step by Step Solution
- Step 1: Write the proportion equation
171,877,441.70 : 257,438,248.95 = 149,202,625.70 : x - Step 2: Convert to fraction form
171,877,441.70/257,438,248.95 = 149,202,625.70/x - Step 3: Cross multiply
171,877,441.70x = 257,438,248.95 × 149,202,625.70 - Step 4: Simplify right side
171,877,441.70x = 38,410,462,698,950,264 - Step 5: Solve for x
x = 38,410,462,698,950,264/171,877,441.70 - Step 6: Final answer
x = 223,475,880.95
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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.