Finding the Fourth Proportional to 107,991,343.32, 149,027,957.46 and 60,958,316.68
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Solution
The fourth proportional to 107,991,343.32, 149,027,957.46 and 60,958,316.68 is: 84,122,422.65
Step by Step Solution
- Step 1: Write the proportion equation
107,991,343.32 : 149,027,957.46 = 60,958,316.68 : x - Step 2: Convert to fraction form
107,991,343.32/149,027,957.46 = 60,958,316.68/x - Step 3: Cross multiply
107,991,343.32x = 149,027,957.46 × 60,958,316.68 - Step 4: Simplify right side
107,991,343.32x = 9,084,493,425,020,248 - Step 5: Solve for x
x = 9,084,493,425,020,248/107,991,343.32 - Step 6: Final answer
x = 84,122,422.65
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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.