Finding the Fourth Proportional to 117,197,533.08, 161,724,711.96 and 64,984,635.80
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Solution
The fourth proportional to 117,197,533.08, 161,724,711.96 and 64,984,635.80 is: 89,674,425.99
Step by Step Solution
- Step 1: Write the proportion equation
117,197,533.08 : 161,724,711.96 = 64,984,635.80 : x - Step 2: Convert to fraction form
117,197,533.08/161,724,711.96 = 64,984,635.80/x - Step 3: Cross multiply
117,197,533.08x = 161,724,711.96 × 64,984,635.80 - Step 4: Simplify right side
117,197,533.08x = 10,509,621,506,580,504 - Step 5: Solve for x
x = 10,509,621,506,580,504/117,197,533.08 - Step 6: Final answer
x = 89,674,425.99
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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.