Finding the Fourth Proportional to 141,729,247.19, 195,586,359.48 and 76,539,151.19
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Solution
The fourth proportional to 141,729,247.19, 195,586,359.48 and 76,539,151.19 is: 105,624,027.75
Step by Step Solution
- Step 1: Write the proportion equation
141,729,247.19 : 195,586,359.48 = 76,539,151.19 : x - Step 2: Convert to fraction form
141,729,247.19/195,586,359.48 = 76,539,151.19/x - Step 3: Cross multiply
141,729,247.19x = 195,586,359.48 × 76,539,151.19 - Step 4: Simplify right side
141,729,247.19x = 14,970,013,937,963,478 - Step 5: Solve for x
x = 14,970,013,937,963,478/141,729,247.19 - Step 6: Final answer
x = 105,624,027.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.