Finding the Fourth Proportional to 289,682,541.92, 399,749,739.08 and 164,243,176.58
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Solution
The fourth proportional to 289,682,541.92, 399,749,739.08 and 164,243,176.58 is: 226,648,684.27
Step by Step Solution
- Step 1: Write the proportion equation
289,682,541.92 : 399,749,739.08 = 164,243,176.58 : x - Step 2: Convert to fraction form
289,682,541.92/399,749,739.08 = 164,243,176.58/x - Step 3: Cross multiply
289,682,541.92x = 399,749,739.08 × 164,243,176.58 - Step 4: Simplify right side
289,682,541.92x = 65,656,166,983,525,368 - Step 5: Solve for x
x = 65,656,166,983,525,368/289,682,541.92 - Step 6: Final answer
x = 226,648,684.27
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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.