Finding the Fourth Proportional to 124,416,191.60, 186,624,287.40 and 83,806,809.20
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Solution
The fourth proportional to 124,416,191.60, 186,624,287.40 and 83,806,809.20 is: 125,710,213.80
Step by Step Solution
- Step 1: Write the proportion equation
124,416,191.60 : 186,624,287.40 = 83,806,809.20 : x - Step 2: Convert to fraction form
124,416,191.60/186,624,287.40 = 83,806,809.20/x - Step 3: Cross multiply
124,416,191.60x = 186,624,287.40 × 83,806,809.20 - Step 4: Simplify right side
124,416,191.60x = 15,640,386,046,217,766 - Step 5: Solve for x
x = 15,640,386,046,217,766/124,416,191.60 - Step 6: Final answer
x = 125,710,213.80
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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.