Finding the Fourth Proportional to 93,485,552.87, 129,016,738.84 and 51,668,719.54
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Solution
The fourth proportional to 93,485,552.87, 129,016,738.84 and 51,668,719.54 is: 71,306,522.67
Step by Step Solution
- Step 1: Write the proportion equation
93,485,552.87 : 129,016,738.84 = 51,668,719.54 : x - Step 2: Convert to fraction form
93,485,552.87/129,016,738.84 = 51,668,719.54/x - Step 3: Cross multiply
93,485,552.87x = 129,016,738.84 × 51,668,719.54 - Step 4: Simplify right side
93,485,552.87x = 6,666,129,695,089,385 - Step 5: Solve for x
x = 6,666,129,695,089,385/93,485,552.87 - Step 6: Final answer
x = 71,306,522.67
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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.