Finding the Fourth Proportional to 269,660,973.92, 372,026,257.34 and 156,611,220.56
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Solution
The fourth proportional to 269,660,973.92, 372,026,257.34 and 156,611,220.56 is: 216,061,988.49
Step by Step Solution
- Step 1: Write the proportion equation
269,660,973.92 : 372,026,257.34 = 156,611,220.56 : x - Step 2: Convert to fraction form
269,660,973.92/372,026,257.34 = 156,611,220.56/x - Step 3: Cross multiply
269,660,973.92x = 372,026,257.34 × 156,611,220.56 - Step 4: Simplify right side
269,660,973.92x = 58,263,486,242,386,056 - Step 5: Solve for x
x = 58,263,486,242,386,056/269,660,973.92 - Step 6: Final answer
x = 216,061,988.49
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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.