Finding the Fourth Proportional to 89,019,176.40, 133,528,764.60 and 50,117,695.20
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Solution
The fourth proportional to 89,019,176.40, 133,528,764.60 and 50,117,695.20 is: 75,176,542.80
Step by Step Solution
- Step 1: Write the proportion equation
89,019,176.40 : 133,528,764.60 = 50,117,695.20 : x - Step 2: Convert to fraction form
89,019,176.40/133,528,764.60 = 50,117,695.20/x - Step 3: Cross multiply
89,019,176.40x = 133,528,764.60 × 50,117,695.20 - Step 4: Simplify right side
89,019,176.40x = 6,692,153,924,655,350 - Step 5: Solve for x
x = 6,692,153,924,655,350/89,019,176.40 - Step 6: Final answer
x = 75,176,542.80
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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.