Finding the Fourth Proportional to 159,894,014.40, 239,841,021.60 and 134,065,981.80
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Solution
The fourth proportional to 159,894,014.40, 239,841,021.60 and 134,065,981.80 is: 201,098,972.70
Step by Step Solution
- Step 1: Write the proportion equation
159,894,014.40 : 239,841,021.60 = 134,065,981.80 : x - Step 2: Convert to fraction form
159,894,014.40/239,841,021.60 = 134,065,981.80/x - Step 3: Cross multiply
159,894,014.40x = 239,841,021.60 × 134,065,981.80 - Step 4: Simplify right side
159,894,014.40x = 32,154,522,036,719,004 - Step 5: Solve for x
x = 32,154,522,036,719,004/159,894,014.40 - Step 6: Final answer
x = 201,098,972.70
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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.