Finding the Fourth Proportional to 202,990,295.90, 280,126,878.64 and 110,170,803.74
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Solution
The fourth proportional to 202,990,295.90, 280,126,878.64 and 110,170,803.74 is: 152,035,855.86
Step by Step Solution
- Step 1: Write the proportion equation
202,990,295.90 : 280,126,878.64 = 110,170,803.74 : x - Step 2: Convert to fraction form
202,990,295.90/280,126,878.64 = 110,170,803.74/x - Step 3: Cross multiply
202,990,295.90x = 280,126,878.64 × 110,170,803.74 - Step 4: Simplify right side
202,990,295.90x = 30,861,803,368,946,236 - Step 5: Solve for x
x = 30,861,803,368,946,236/202,990,295.90 - Step 6: Final answer
x = 152,035,855.86
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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.