Finding the Fourth Proportional to 171,276,644.70, 256,840,317.45 and 69,006,692.70
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Solution
The fourth proportional to 171,276,644.70, 256,840,317.45 and 69,006,692.70 is: 103,479,963.02
Step by Step Solution
- Step 1: Write the proportion equation
171,276,644.70 : 256,840,317.45 = 69,006,692.70 : x - Step 2: Convert to fraction form
171,276,644.70/256,840,317.45 = 69,006,692.70/x - Step 3: Cross multiply
171,276,644.70x = 256,840,317.45 × 69,006,692.70 - Step 4: Simplify right side
171,276,644.70x = 17,723,700,859,242,598 - Step 5: Solve for x
x = 17,723,700,859,242,598/171,276,644.70 - Step 6: Final answer
x = 103,479,963.02
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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.