Finding the Fourth Proportional to 64,739,973.20, 97,081,966.20 and 32,379,371.60
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Solution
The fourth proportional to 64,739,973.20, 97,081,966.20 and 32,379,371.60 is: 48,555,056.54
Step by Step Solution
- Step 1: Write the proportion equation
64,739,973.20 : 97,081,966.20 = 32,379,371.60 : x - Step 2: Convert to fraction form
64,739,973.20/97,081,966.20 = 32,379,371.60/x - Step 3: Cross multiply
64,739,973.20x = 97,081,966.20 × 32,379,371.60 - Step 4: Simplify right side
64,739,973.20x = 3,143,453,059,248,440 - Step 5: Solve for x
x = 3,143,453,059,248,440/64,739,973.20 - Step 6: Final answer
x = 48,555,056.54
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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.