Finding the Fourth Proportional to 112,118,412.10, 168,177,618.15 and 73,376,363.20
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Solution
The fourth proportional to 112,118,412.10, 168,177,618.15 and 73,376,363.20 is: 110,064,544.80
Step by Step Solution
- Step 1: Write the proportion equation
112,118,412.10 : 168,177,618.15 = 73,376,363.20 : x - Step 2: Convert to fraction form
112,118,412.10/168,177,618.15 = 73,376,363.20/x - Step 3: Cross multiply
112,118,412.10x = 168,177,618.15 × 73,376,363.20 - Step 4: Simplify right side
112,118,412.10x = 12,340,261,991,485,314 - Step 5: Solve for x
x = 12,340,261,991,485,314/112,118,412.10 - Step 6: Final answer
x = 110,064,544.80
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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.