Finding the Fourth Proportional to 77,036,947.13, 106,299,638.70 and 46,846,043.46
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Solution
The fourth proportional to 77,036,947.13, 106,299,638.70 and 46,846,043.46 is: 64,640,639.06
Step by Step Solution
- Step 1: Write the proportion equation
77,036,947.13 : 106,299,638.70 = 46,846,043.46 : x - Step 2: Convert to fraction form
77,036,947.13/106,299,638.70 = 46,846,043.46/x - Step 3: Cross multiply
77,036,947.13x = 106,299,638.70 × 46,846,043.46 - Step 4: Simplify right side
77,036,947.13x = 4,979,717,493,791,000 - Step 5: Solve for x
x = 4,979,717,493,791,000/77,036,947.13 - Step 6: Final answer
x = 64,640,639.06
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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.