Finding the Fourth Proportional to 83,862,153.81, 115,729,535.21 and 47,192,724.45
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Solution
The fourth proportional to 83,862,153.81, 115,729,535.21 and 47,192,724.45 is: 65,125,826.34
Step by Step Solution
- Step 1: Write the proportion equation
83,862,153.81 : 115,729,535.21 = 47,192,724.45 : x - Step 2: Convert to fraction form
83,862,153.81/115,729,535.21 = 47,192,724.45/x - Step 3: Cross multiply
83,862,153.81x = 115,729,535.21 × 47,192,724.45 - Step 4: Simplify right side
83,862,153.81x = 5,461,592,065,656,140 - Step 5: Solve for x
x = 5,461,592,065,656,140/83,862,153.81 - Step 6: Final answer
x = 65,125,826.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.