Finding the Fourth Proportional to 289,682,554.42, 399,749,756.34 and 164,243,189.08
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Solution
The fourth proportional to 289,682,554.42, 399,749,756.34 and 164,243,189.08 is: 226,648,701.53
Step by Step Solution
- Step 1: Write the proportion equation
289,682,554.42 : 399,749,756.34 = 164,243,189.08 : x - Step 2: Convert to fraction form
289,682,554.42/399,749,756.34 = 164,243,189.08/x - Step 3: Cross multiply
289,682,554.42x = 399,749,756.34 × 164,243,189.08 - Step 4: Simplify right side
289,682,554.42x = 65,656,174,815,234,552 - Step 5: Solve for x
x = 65,656,174,815,234,552/289,682,554.42 - Step 6: Final answer
x = 226,648,701.53
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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.