Finding the Fourth Proportional to 213,218,670.24, 294,214,727.76 and 125,080,509.60
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Solution
The fourth proportional to 213,218,670.24, 294,214,727.76 and 125,080,509.60 is: 172,595,242.43
Step by Step Solution
- Step 1: Write the proportion equation
213,218,670.24 : 294,214,727.76 = 125,080,509.60 : x - Step 2: Convert to fraction form
213,218,670.24/294,214,727.76 = 125,080,509.60/x - Step 3: Cross multiply
213,218,670.24x = 294,214,727.76 × 125,080,509.60 - Step 4: Simplify right side
213,218,670.24x = 36,800,528,080,046,064 - Step 5: Solve for x
x = 36,800,528,080,046,064/213,218,670.24 - Step 6: Final answer
x = 172,595,242.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.