Finding the Fourth Proportional to 138,126,524.00, 190,607,908.05 and 78,582,212.24
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Solution
The fourth proportional to 138,126,524.00, 190,607,908.05 and 78,582,212.24 is: 108,439,643.96
Step by Step Solution
- Step 1: Write the proportion equation
138,126,524.00 : 190,607,908.05 = 78,582,212.24 : x - Step 2: Convert to fraction form
138,126,524.00/190,607,908.05 = 78,582,212.24/x - Step 3: Cross multiply
138,126,524.00x = 190,607,908.05 × 78,582,212.24 - Step 4: Simplify right side
138,126,524.00x = 14,978,391,084,054,466 - Step 5: Solve for x
x = 14,978,391,084,054,466/138,126,524.00 - Step 6: Final answer
x = 108,439,643.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.