Finding the Fourth Proportional to 246,519,458.76, 340,196,972.35 and 135,017,312.02
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Solution
The fourth proportional to 246,519,458.76, 340,196,972.35 and 135,017,312.02 is: 186,323,955.91
Step by Step Solution
- Step 1: Write the proportion equation
246,519,458.76 : 340,196,972.35 = 135,017,312.02 : x - Step 2: Convert to fraction form
246,519,458.76/340,196,972.35 = 135,017,312.02/x - Step 3: Cross multiply
246,519,458.76x = 340,196,972.35 × 135,017,312.02 - Step 4: Simplify right side
246,519,458.76x = 45,932,480,764,540,328 - Step 5: Solve for x
x = 45,932,480,764,540,328/246,519,458.76 - Step 6: Final answer
x = 186,323,955.91
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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.