Finding the Fourth Proportional to 87,719,271.06, 121,047,798.30 and 48,019,121.78
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Solution
The fourth proportional to 87,719,271.06, 121,047,798.30 and 48,019,121.78 is: 66,263,762.76
Step by Step Solution
- Step 1: Write the proportion equation
87,719,271.06 : 121,047,798.30 = 48,019,121.78 : x - Step 2: Convert to fraction form
87,719,271.06/121,047,798.30 = 48,019,121.78/x - Step 3: Cross multiply
87,719,271.06x = 121,047,798.30 × 48,019,121.78 - Step 4: Simplify right side
87,719,271.06x = 5,812,608,967,664,160 - Step 5: Solve for x
x = 5,812,608,967,664,160/87,719,271.06 - Step 6: Final answer
x = 66,263,762.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.