Finding the Fourth Proportional to 78,909,708, 118,364,562 and 22,176,012
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Solution
The fourth proportional to 78,909,708, 118,364,562 and 22,176,012 is: 33,264,018
Step by Step Solution
- Step 1: Write the proportion equation
78,909,708 : 118,364,562 = 22,176,012 : x - Step 2: Convert to fraction form
78,909,708/118,364,562 = 22,176,012/x - Step 3: Cross multiply
78,909,708x = 118,364,562 × 22,176,012 - Step 4: Simplify right side
78,909,708x = 2,624,853,947,286,744 - Step 5: Solve for x
x = 2,624,853,947,286,744/78,909,708 - Step 6: Final answer
x = 33,264,018
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.