Finding the Fourth Proportional to 107,420,519.76, 161,130,633.84 and 49,881,327.36
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Solution
The fourth proportional to 107,420,519.76, 161,130,633.84 and 49,881,327.36 is: 74,821,923.34
Step by Step Solution
- Step 1: Write the proportion equation
107,420,519.76 : 161,130,633.84 = 49,881,327.36 : x - Step 2: Convert to fraction form
107,420,519.76/161,130,633.84 = 49,881,327.36/x - Step 3: Cross multiply
107,420,519.76x = 161,130,633.84 × 49,881,327.36 - Step 4: Simplify right side
107,420,519.76x = 8,037,409,894,297,334 - Step 5: Solve for x
x = 8,037,409,894,297,334/107,420,519.76 - Step 6: Final answer
x = 74,821,923.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.