Finding the Fourth Proportional to 76,746,356.28, 115,179,231.36 and 53,566,706.04
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Solution
The fourth proportional to 76,746,356.28, 115,179,231.36 and 53,566,706.04 is: 80,391,725.77
Step by Step Solution
- Step 1: Write the proportion equation
76,746,356.28 : 115,179,231.36 = 53,566,706.04 : x - Step 2: Convert to fraction form
76,746,356.28/115,179,231.36 = 53,566,706.04/x - Step 3: Cross multiply
76,746,356.28x = 115,179,231.36 × 53,566,706.04 - Step 4: Simplify right side
76,746,356.28x = 6,169,772,028,174,269 - Step 5: Solve for x
x = 6,169,772,028,174,269/76,746,356.28 - Step 6: Final answer
x = 80,391,725.77
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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.