Finding the Fourth Proportional to 130,350,519.11, 195,495,468.39 and 48,507,940.81
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Solution
The fourth proportional to 130,350,519.11, 195,495,468.39 and 48,507,940.81 is: 72,750,631.71
Step by Step Solution
- Step 1: Write the proportion equation
130,350,519.11 : 195,495,468.39 = 48,507,940.81 : x - Step 2: Convert to fraction form
130,350,519.11/195,495,468.39 = 48,507,940.81/x - Step 3: Cross multiply
130,350,519.11x = 195,495,468.39 × 48,507,940.81 - Step 4: Simplify right side
130,350,519.11x = 9,483,082,608,065,328 - Step 5: Solve for x
x = 9,483,082,608,065,328/130,350,519.11 - Step 6: Final answer
x = 72,750,631.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.