Finding the Fourth Proportional to 75,923,971.95, 113,905,378.47 and 22,071,283.95
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Solution
The fourth proportional to 75,923,971.95, 113,905,378.47 and 22,071,283.95 is: 33,112,571.52
Step by Step Solution
- Step 1: Write the proportion equation
75,923,971.95 : 113,905,378.47 = 22,071,283.95 : x - Step 2: Convert to fraction form
75,923,971.95/113,905,378.47 = 22,071,283.95/x - Step 3: Cross multiply
75,923,971.95x = 113,905,378.47 × 22,071,283.95 - Step 4: Simplify right side
75,923,971.95x = 2,514,037,951,643,586.50 - Step 5: Solve for x
x = 2,514,037,951,643,586.50/75,923,971.95 - Step 6: Final answer
x = 33,112,571.52
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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.