Finding the Fourth Proportional to 64,752,142.90, 97,128,214.35 and 32,503,515.70
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Solution
The fourth proportional to 64,752,142.90, 97,128,214.35 and 32,503,515.70 is: 48,755,273.55
Step by Step Solution
- Step 1: Write the proportion equation
64,752,142.90 : 97,128,214.35 = 32,503,515.70 : x - Step 2: Convert to fraction form
64,752,142.90/97,128,214.35 = 32,503,515.70/x - Step 3: Cross multiply
64,752,142.90x = 97,128,214.35 × 32,503,515.70 - Step 4: Simplify right side
64,752,142.90x = 3,157,008,440,038,190 - Step 5: Solve for x
x = 3,157,008,440,038,190/64,752,142.90 - Step 6: Final answer
x = 48,755,273.55
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1.5x scale
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.