Finding the Fourth Proportional to 201,837,380.64, 278,656,579.68 and 132,343,990.08
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Solution
The fourth proportional to 201,837,380.64, 278,656,579.68 and 132,343,990.08 is: 182,714,041.87
Step by Step Solution
- Step 1: Write the proportion equation
201,837,380.64 : 278,656,579.68 = 132,343,990.08 : x - Step 2: Convert to fraction form
201,837,380.64/278,656,579.68 = 132,343,990.08/x - Step 3: Cross multiply
201,837,380.64x = 278,656,579.68 × 132,343,990.08 - Step 4: Simplify right side
201,837,380.64x = 36,878,523,616,896,648 - Step 5: Solve for x
x = 36,878,523,616,896,648/201,837,380.64 - Step 6: Final answer
x = 182,714,041.87
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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.