Finding the Fourth Proportional to 157,469,064.60, 236,203,596.90 and 99,648,283.80
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Solution
The fourth proportional to 157,469,064.60, 236,203,596.90 and 99,648,283.80 is: 149,472,425.70
Step by Step Solution
- Step 1: Write the proportion equation
157,469,064.60 : 236,203,596.90 = 99,648,283.80 : x - Step 2: Convert to fraction form
157,469,064.60/236,203,596.90 = 99,648,283.80/x - Step 3: Cross multiply
157,469,064.60x = 236,203,596.90 × 99,648,283.80 - Step 4: Simplify right side
157,469,064.60x = 23,537,283,058,472,000 - Step 5: Solve for x
x = 23,537,283,058,472,000/157,469,064.60 - Step 6: Final answer
x = 149,472,425.70
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1.5x scale
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.