Finding the Fourth Proportional to 84,002,526, 115,923,564 and 45,371,358
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Solution
The fourth proportional to 84,002,526, 115,923,564 and 45,371,358 is: 62,612,516.23
Step by Step Solution
- Step 1: Write the proportion equation
84,002,526 : 115,923,564 = 45,371,358 : x - Step 2: Convert to fraction form
84,002,526/115,923,564 = 45,371,358/x - Step 3: Cross multiply
84,002,526x = 115,923,564 × 45,371,358 - Step 4: Simplify right side
84,002,526x = 5,259,609,522,879,912 - Step 5: Solve for x
x = 5,259,609,522,879,912/84,002,526 - Step 6: Final answer
x = 62,612,516.23
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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.