Finding the Fourth Proportional to 201,679,053.70, 302,518,580.55 and 197,200,077.70
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Solution
The fourth proportional to 201,679,053.70, 302,518,580.55 and 197,200,077.70 is: 295,800,116.55
Step by Step Solution
- Step 1: Write the proportion equation
201,679,053.70 : 302,518,580.55 = 197,200,077.70 : x - Step 2: Convert to fraction form
201,679,053.70/302,518,580.55 = 197,200,077.70/x - Step 3: Cross multiply
201,679,053.70x = 302,518,580.55 × 197,200,077.70 - Step 4: Simplify right side
201,679,053.70x = 59,656,687,590,153,704 - Step 5: Solve for x
x = 59,656,687,590,153,704/201,679,053.70 - Step 6: Final answer
x = 295,800,116.55
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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.