Finding the Fourth Proportional to 125,639,810.70, 188,319,748.05 and 48,937,346.70
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Solution
The fourth proportional to 125,639,810.70, 188,319,748.05 and 48,937,346.70 is: 73,351,501.80
Step by Step Solution
- Step 1: Write the proportion equation
125,639,810.70 : 188,319,748.05 = 48,937,346.70 : x - Step 2: Convert to fraction form
125,639,810.70/188,319,748.05 = 48,937,346.70/x - Step 3: Cross multiply
125,639,810.70x = 188,319,748.05 × 48,937,346.70 - Step 4: Simplify right side
125,639,810.70x = 9,215,868,800,779,500 - Step 5: Solve for x
x = 9,215,868,800,779,500/125,639,810.70 - Step 6: Final answer
x = 73,351,501.80
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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.