Finding the Fourth Proportional to 76,746,022.21, 115,178,730.09 and 53,566,372.00
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Solution
The fourth proportional to 76,746,022.21, 115,178,730.09 and 53,566,372.00 is: 80,391,224.52
Step by Step Solution
- Step 1: Write the proportion equation
76,746,022.21 : 115,178,730.09 = 53,566,372.00 : x - Step 2: Convert to fraction form
76,746,022.21/115,178,730.09 = 53,566,372.00/x - Step 3: Cross multiply
76,746,022.21x = 115,178,730.09 × 53,566,372.00 - Step 4: Simplify right side
76,746,022.21x = 6,169,706,702,322,150 - Step 5: Solve for x
x = 6,169,706,702,322,150/76,746,022.21 - Step 6: Final answer
x = 80,391,224.52
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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.