Finding the Fourth Proportional to 73,742,812.80, 110,614,219.20 and 22,624,749.60
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Solution
The fourth proportional to 73,742,812.80, 110,614,219.20 and 22,624,749.60 is: 33,937,124.40
Step by Step Solution
- Step 1: Write the proportion equation
73,742,812.80 : 110,614,219.20 = 22,624,749.60 : x - Step 2: Convert to fraction form
73,742,812.80/110,614,219.20 = 22,624,749.60/x - Step 3: Cross multiply
73,742,812.80x = 110,614,219.20 × 22,624,749.60 - Step 4: Simplify right side
73,742,812.80x = 2,502,619,011,599,512.50 - Step 5: Solve for x
x = 2,502,619,011,599,512.50/73,742,812.80 - Step 6: Final answer
x = 33,937,124.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.