Finding the Fourth Proportional to 71,237,264.23, 98,309,089.43 and 39,874,533.09
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Solution
The fourth proportional to 71,237,264.23, 98,309,089.43 and 39,874,533.09 is: 55,027,787.52
Step by Step Solution
- Step 1: Write the proportion equation
71,237,264.23 : 98,309,089.43 = 39,874,533.09 : x - Step 2: Convert to fraction form
71,237,264.23/98,309,089.43 = 39,874,533.09/x - Step 3: Cross multiply
71,237,264.23x = 98,309,089.43 × 39,874,533.09 - Step 4: Simplify right side
71,237,264.23x = 3,920,029,039,524,305 - Step 5: Solve for x
x = 3,920,029,039,524,305/71,237,264.23 - Step 6: Final answer
x = 55,027,787.52
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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.