Finding the Fourth Proportional to 107,313,991.70, 161,024,131.65 and 61,291,201.10
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Solution
The fourth proportional to 107,313,991.70, 161,024,131.65 and 61,291,201.10 is: 91,967,154.32
Step by Step Solution
- Step 1: Write the proportion equation
107,313,991.70 : 161,024,131.65 = 61,291,201.10 : x - Step 2: Convert to fraction form
107,313,991.70/161,024,131.65 = 61,291,201.10/x - Step 3: Cross multiply
107,313,991.70x = 161,024,131.65 × 61,291,201.10 - Step 4: Simplify right side
107,313,991.70x = 9,869,362,434,913,026 - Step 5: Solve for x
x = 9,869,362,434,913,026/107,313,991.70 - Step 6: Final answer
x = 91,967,154.32
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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.