Finding the Fourth Proportional to 240,696,078.40, 332,161,914 and 130,687,791.40
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Solution
The fourth proportional to 240,696,078.40, 332,161,914 and 130,687,791.40 is: 180,349,871.99
Step by Step Solution
- Step 1: Write the proportion equation
240,696,078.40 : 332,161,914 = 130,687,791.40 : x - Step 2: Convert to fraction form
240,696,078.40/332,161,914 = 130,687,791.40/x - Step 3: Cross multiply
240,696,078.40x = 332,161,914 × 130,687,791.40 - Step 4: Simplify right side
240,696,078.40x = 43,409,506,927,856,744 - Step 5: Solve for x
x = 43,409,506,927,856,744/240,696,078.40 - Step 6: Final answer
x = 180,349,871.99
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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.