Finding the Fourth Proportional to 103,430,341.73, 155,168,213.66 and 30,652,826.49
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Solution
The fourth proportional to 103,430,341.73, 155,168,213.66 and 30,652,826.49 is: 45,985,967.47
Step by Step Solution
- Step 1: Write the proportion equation
103,430,341.73 : 155,168,213.66 = 30,652,826.49 : x - Step 2: Convert to fraction form
103,430,341.73/155,168,213.66 = 30,652,826.49/x - Step 3: Cross multiply
103,430,341.73x = 155,168,213.66 × 30,652,826.49 - Step 4: Simplify right side
103,430,341.73x = 4,756,344,330,044,911 - Step 5: Solve for x
x = 4,756,344,330,044,911/103,430,341.73 - Step 6: Final answer
x = 45,985,967.47
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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.