Finding the Fourth Proportional to 219,292,563.77, 328,706,233.90 and 102,609,611.09
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Solution
The fourth proportional to 219,292,563.77, 328,706,233.90 and 102,609,611.09 is: 153,805,574.82
Step by Step Solution
- Step 1: Write the proportion equation
219,292,563.77 : 328,706,233.90 = 102,609,611.09 : x - Step 2: Convert to fraction form
219,292,563.77/328,706,233.90 = 102,609,611.09/x - Step 3: Cross multiply
219,292,563.77x = 328,706,233.90 × 102,609,611.09 - Step 4: Simplify right side
219,292,563.77x = 33,728,418,823,337,572 - Step 5: Solve for x
x = 33,728,418,823,337,572/219,292,563.77 - Step 6: Final answer
x = 153,805,574.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.