Finding the Fourth Proportional to 74,750,000.10, 112,125,000.15 and 74,750,000.10
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Solution
The fourth proportional to 74,750,000.10, 112,125,000.15 and 74,750,000.10 is: 112,125,000.15
Step by Step Solution
- Step 1: Write the proportion equation
74,750,000.10 : 112,125,000.15 = 74,750,000.10 : x - Step 2: Convert to fraction form
74,750,000.10/112,125,000.15 = 74,750,000.10/x - Step 3: Cross multiply
74,750,000.10x = 112,125,000.15 × 74,750,000.10 - Step 4: Simplify right side
74,750,000.10x = 8,381,343,772,425,000 - Step 5: Solve for x
x = 8,381,343,772,425,000/74,750,000.10 - Step 6: Final answer
x = 112,125,000.15
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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.