Finding the Fourth Proportional to 201,852,449.30, 278,556,492.11 and 109,032,958.05
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Solution
The fourth proportional to 201,852,449.30, 278,556,492.11 and 109,032,958.05 is: 150,465,542.65
Step by Step Solution
- Step 1: Write the proportion equation
201,852,449.30 : 278,556,492.11 = 109,032,958.05 : x - Step 2: Convert to fraction form
201,852,449.30/278,556,492.11 = 109,032,958.05/x - Step 3: Cross multiply
201,852,449.30x = 278,556,492.11 × 109,032,958.05 - Step 4: Simplify right side
201,852,449.30x = 30,371,838,319,681,852 - Step 5: Solve for x
x = 30,371,838,319,681,852/201,852,449.30 - Step 6: Final answer
x = 150,465,542.65
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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.