Finding the Fourth Proportional to 130,598,742.76, 195,837,578.85 and 48,695,629.97
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Solution
The fourth proportional to 130,598,742.76, 195,837,578.85 and 48,695,629.97 is: 73,020,873.50
Step by Step Solution
- Step 1: Write the proportion equation
130,598,742.76 : 195,837,578.85 = 48,695,629.97 : x - Step 2: Convert to fraction form
130,598,742.76/195,837,578.85 = 48,695,629.97/x - Step 3: Cross multiply
130,598,742.76x = 195,837,578.85 × 48,695,629.97 - Step 4: Simplify right side
130,598,742.76x = 9,536,434,273,900,298 - Step 5: Solve for x
x = 9,536,434,273,900,298/130,598,742.76 - Step 6: Final answer
x = 73,020,873.50
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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.