Finding the Fourth Proportional to 107,334,165.30, 161,001,247.95 and 100,106,567.70
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Solution
The fourth proportional to 107,334,165.30, 161,001,247.95 and 100,106,567.70 is: 150,159,851.55
Step by Step Solution
- Step 1: Write the proportion equation
107,334,165.30 : 161,001,247.95 = 100,106,567.70 : x - Step 2: Convert to fraction form
107,334,165.30/161,001,247.95 = 100,106,567.70/x - Step 3: Cross multiply
107,334,165.30x = 161,001,247.95 × 100,106,567.70 - Step 4: Simplify right side
107,334,165.30x = 16,117,282,327,691,160 - Step 5: Solve for x
x = 16,117,282,327,691,160/107,334,165.30 - Step 6: Final answer
x = 150,159,851.55
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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.