Finding the Fourth Proportional to 73,758,947.10, 110,638,420.65 and 39,746,723.10
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Solution
The fourth proportional to 73,758,947.10, 110,638,420.65 and 39,746,723.10 is: 59,620,084.65
Step by Step Solution
- Step 1: Write the proportion equation
73,758,947.10 : 110,638,420.65 = 39,746,723.10 : x - Step 2: Convert to fraction form
73,758,947.10/110,638,420.65 = 39,746,723.10/x - Step 3: Cross multiply
73,758,947.10x = 110,638,420.65 × 39,746,723.10 - Step 4: Simplify right side
73,758,947.10x = 4,397,514,669,796,872.50 - Step 5: Solve for x
x = 4,397,514,669,796,872.50/73,758,947.10 - Step 6: Final answer
x = 59,620,084.65
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1.5x scale
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.