Finding the Fourth Proportional to 201,204,053.10, 301,806,079.65 and 172,506,239.10
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Solution
The fourth proportional to 201,204,053.10, 301,806,079.65 and 172,506,239.10 is: 258,759,358.65
Step by Step Solution
- Step 1: Write the proportion equation
201,204,053.10 : 301,806,079.65 = 172,506,239.10 : x - Step 2: Convert to fraction form
201,204,053.10/301,806,079.65 = 172,506,239.10/x - Step 3: Cross multiply
201,204,053.10x = 301,806,079.65 × 172,506,239.10 - Step 4: Simplify right side
201,204,053.10x = 52,063,431,737,936,536 - Step 5: Solve for x
x = 52,063,431,737,936,536/201,204,053.10 - Step 6: Final answer
x = 258,759,358.65
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1.5x scale
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.