Finding the Fourth Proportional to 72,805,655.60, 109,224,229.80 and 24,275,250.80
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Solution
The fourth proportional to 72,805,655.60, 109,224,229.80 and 24,275,250.80 is: 36,418,126.45
Step by Step Solution
- Step 1: Write the proportion equation
72,805,655.60 : 109,224,229.80 = 24,275,250.80 : x - Step 2: Convert to fraction form
72,805,655.60/109,224,229.80 = 24,275,250.80/x - Step 3: Cross multiply
72,805,655.60x = 109,224,229.80 × 24,275,250.80 - Step 4: Simplify right side
72,805,655.60x = 2,651,445,571,831,834 - Step 5: Solve for x
x = 2,651,445,571,831,834/72,805,655.60 - Step 6: Final answer
x = 36,418,126.45
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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.