Finding the Fourth Proportional to 117,984,104.84, 162,809,750.58 and 65,770,830.92
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Solution
The fourth proportional to 117,984,104.84, 162,809,750.58 and 65,770,830.92 is: 90,759,111.93
Step by Step Solution
- Step 1: Write the proportion equation
117,984,104.84 : 162,809,750.58 = 65,770,830.92 : x - Step 2: Convert to fraction form
117,984,104.84/162,809,750.58 = 65,770,830.92/x - Step 3: Cross multiply
117,984,104.84x = 162,809,750.58 × 65,770,830.92 - Step 4: Simplify right side
117,984,104.84x = 10,708,132,577,524,554 - Step 5: Solve for x
x = 10,708,132,577,524,554/117,984,104.84 - Step 6: Final answer
x = 90,759,111.93
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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.