Finding the Fourth Proportional to 240,535,683.08, 331,939,242.70 and 130,527,396.08
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Solution
The fourth proportional to 240,535,683.08, 331,939,242.70 and 130,527,396.08 is: 180,127,806.62
Step by Step Solution
- Step 1: Write the proportion equation
240,535,683.08 : 331,939,242.70 = 130,527,396.08 : x - Step 2: Convert to fraction form
240,535,683.08/331,939,242.70 = 130,527,396.08/x - Step 3: Cross multiply
240,535,683.08x = 331,939,242.70 × 130,527,396.08 - Step 4: Simplify right side
240,535,683.08x = 43,327,165,006,398,144 - Step 5: Solve for x
x = 43,327,165,006,398,144/240,535,683.08 - Step 6: Final answer
x = 180,127,806.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.