Finding the Fourth Proportional to 71,393,579.16, 98,486,879.58 and 46,628,263.32
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Solution
The fourth proportional to 71,393,579.16, 98,486,879.58 and 46,628,263.32 is: 64,323,321.63
Step by Step Solution
- Step 1: Write the proportion equation
71,393,579.16 : 98,486,879.58 = 46,628,263.32 : x - Step 2: Convert to fraction form
71,393,579.16/98,486,879.58 = 46,628,263.32/x - Step 3: Cross multiply
71,393,579.16x = 98,486,879.58 × 46,628,263.32 - Step 4: Simplify right side
71,393,579.16x = 4,592,272,154,621,371 - Step 5: Solve for x
x = 4,592,272,154,621,371/71,393,579.16 - Step 6: Final answer
x = 64,323,321.63
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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.