Finding the Fourth Proportional to 158,272,056.90, 237,408,085.35 and 131,062,277.70
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Solution
The fourth proportional to 158,272,056.90, 237,408,085.35 and 131,062,277.70 is: 196,593,416.55
Step by Step Solution
- Step 1: Write the proportion equation
158,272,056.90 : 237,408,085.35 = 131,062,277.70 : x - Step 2: Convert to fraction form
158,272,056.90/237,408,085.35 = 131,062,277.70/x - Step 3: Cross multiply
158,272,056.90x = 237,408,085.35 × 131,062,277.70 - Step 4: Simplify right side
158,272,056.90x = 31,115,244,410,367,000 - Step 5: Solve for x
x = 31,115,244,410,367,000/158,272,056.90 - Step 6: Final answer
x = 196,593,416.55
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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.