Finding the Fourth Proportional to 68,110,090.04, 93,990,612.69 and 37,170,480.75
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Solution
The fourth proportional to 68,110,090.04, 93,990,612.69 and 37,170,480.75 is: 51,294,547.66
Step by Step Solution
- Step 1: Write the proportion equation
68,110,090.04 : 93,990,612.69 = 37,170,480.75 : x - Step 2: Convert to fraction form
68,110,090.04/93,990,612.69 = 37,170,480.75/x - Step 3: Cross multiply
68,110,090.04x = 93,990,612.69 × 37,170,480.75 - Step 4: Simplify right side
68,110,090.04x = 3,493,676,259,674,350.50 - Step 5: Solve for x
x = 3,493,676,259,674,350.50/68,110,090.04 - Step 6: Final answer
x = 51,294,547.66
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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.