Finding the Fourth Proportional to 272,664,700.10, 409,602,394.73 and 169,110,432.04
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Solution
The fourth proportional to 272,664,700.10, 409,602,394.73 and 169,110,432.04 is: 254,041,091.17
Step by Step Solution
- Step 1: Write the proportion equation
272,664,700.10 : 409,602,394.73 = 169,110,432.04 : x - Step 2: Convert to fraction form
272,664,700.10/409,602,394.73 = 169,110,432.04/x - Step 3: Cross multiply
272,664,700.10x = 409,602,394.73 × 169,110,432.04 - Step 4: Simplify right side
272,664,700.10x = 69,268,037,936,173,520 - Step 5: Solve for x
x = 69,268,037,936,173,520/272,664,700.10 - Step 6: Final answer
x = 254,041,091.17
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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.