Finding the Fourth Proportional to 115,332,535.68, 159,159,320.88 and 62,409,243.60
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Solution
The fourth proportional to 115,332,535.68, 159,159,320.88 and 62,409,243.60 is: 86,124,984.33
Step by Step Solution
- Step 1: Write the proportion equation
115,332,535.68 : 159,159,320.88 = 62,409,243.60 : x - Step 2: Convert to fraction form
115,332,535.68/159,159,320.88 = 62,409,243.60/x - Step 3: Cross multiply
115,332,535.68x = 159,159,320.88 × 62,409,243.60 - Step 4: Simplify right side
115,332,535.68x = 9,933,012,828,010,486 - Step 5: Solve for x
x = 9,933,012,828,010,486/115,332,535.68 - Step 6: Final answer
x = 86,124,984.33
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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.