Finding the Fourth Proportional to 115,969,617.87, 160,038,392.00 and 63,763,990.35
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Solution
The fourth proportional to 115,969,617.87, 160,038,392.00 and 63,763,990.35 is: 87,994,482.26
Step by Step Solution
- Step 1: Write the proportion equation
115,969,617.87 : 160,038,392.00 = 63,763,990.35 : x - Step 2: Convert to fraction form
115,969,617.87/160,038,392.00 = 63,763,990.35/x - Step 3: Cross multiply
115,969,617.87x = 160,038,392.00 × 63,763,990.35 - Step 4: Simplify right side
115,969,617.87x = 10,204,686,482,798,698 - Step 5: Solve for x
x = 10,204,686,482,798,698/115,969,617.87 - Step 6: Final answer
x = 87,994,482.26
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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.