Finding the Fourth Proportional to 89,153,919.40, 133,730,879.10 and 31,652,003.20
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Solution
The fourth proportional to 89,153,919.40, 133,730,879.10 and 31,652,003.20 is: 47,478,004.80
Step by Step Solution
- Step 1: Write the proportion equation
89,153,919.40 : 133,730,879.10 = 31,652,003.20 : x - Step 2: Convert to fraction form
89,153,919.40/133,730,879.10 = 31,652,003.20/x - Step 3: Cross multiply
89,153,919.40x = 133,730,879.10 × 31,652,003.20 - Step 4: Simplify right side
89,153,919.40x = 4,232,850,213,212,013 - Step 5: Solve for x
x = 4,232,850,213,212,013/89,153,919.40 - Step 6: Final answer
x = 47,478,004.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.