Finding the Fourth Proportional to 249,422,423.55, 344,040,760.34 and 159,972,684.99
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Solution
The fourth proportional to 249,422,423.55, 344,040,760.34 and 159,972,684.99 is: 220,658,284.82
Step by Step Solution
- Step 1: Write the proportion equation
249,422,423.55 : 344,040,760.34 = 159,972,684.99 : x - Step 2: Convert to fraction form
249,422,423.55/344,040,760.34 = 159,972,684.99/x - Step 3: Cross multiply
249,422,423.55x = 344,040,760.34 × 159,972,684.99 - Step 4: Simplify right side
249,422,423.55x = 55,037,124,175,652,872 - Step 5: Solve for x
x = 55,037,124,175,652,872/249,422,423.55 - Step 6: Final answer
x = 220,658,284.82
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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.