Finding the Fourth Proportional to 83,820,245.70, 125,730,368.55 and 73,742,549.70
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Solution
The fourth proportional to 83,820,245.70, 125,730,368.55 and 73,742,549.70 is: 110,613,824.55
Step by Step Solution
- Step 1: Write the proportion equation
83,820,245.70 : 125,730,368.55 = 73,742,549.70 : x - Step 2: Convert to fraction form
83,820,245.70/125,730,368.55 = 73,742,549.70/x - Step 3: Cross multiply
83,820,245.70x = 125,730,368.55 × 73,742,549.70 - Step 4: Simplify right side
83,820,245.70x = 9,271,677,951,597,692 - Step 5: Solve for x
x = 9,271,677,951,597,692/83,820,245.70 - Step 6: Final answer
x = 110,613,824.55
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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.