Finding the Fourth Proportional to 217,493,756.06, 326,271,213.75 and 69,891,831.26
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Solution
The fourth proportional to 217,493,756.06, 326,271,213.75 and 69,891,831.26 is: 104,847,573.69
Step by Step Solution
- Step 1: Write the proportion equation
217,493,756.06 : 326,271,213.75 = 69,891,831.26 : x - Step 2: Convert to fraction form
217,493,756.06/326,271,213.75 = 69,891,831.26/x - Step 3: Cross multiply
217,493,756.06x = 326,271,213.75 × 69,891,831.26 - Step 4: Simplify right side
217,493,756.06x = 22,803,692,616,410,392 - Step 5: Solve for x
x = 22,803,692,616,410,392/217,493,756.06 - Step 6: Final answer
x = 104,847,573.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.