Finding the Fourth Proportional to 109,782,769.36, 164,466,298.68 and 73,281,096.40
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Solution
The fourth proportional to 109,782,769.36, 164,466,298.68 and 73,281,096.40 is: 109,782,899.07
Step by Step Solution
- Step 1: Write the proportion equation
109,782,769.36 : 164,466,298.68 = 73,281,096.40 : x - Step 2: Convert to fraction form
109,782,769.36/164,466,298.68 = 73,281,096.40/x - Step 3: Cross multiply
109,782,769.36x = 164,466,298.68 × 73,281,096.40 - Step 4: Simplify right side
109,782,769.36x = 12,052,270,688,120,274 - Step 5: Solve for x
x = 12,052,270,688,120,274/109,782,769.36 - Step 6: Final answer
x = 109,782,899.07
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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.