Finding the Fourth Proportional to 64,782,938.13, 97,174,406.58 and 21,652,141.46
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Solution
The fourth proportional to 64,782,938.13, 97,174,406.58 and 21,652,141.46 is: 32,478,211.98
Step by Step Solution
- Step 1: Write the proportion equation
64,782,938.13 : 97,174,406.58 = 21,652,141.46 : x - Step 2: Convert to fraction form
64,782,938.13/97,174,406.58 = 21,652,141.46/x - Step 3: Cross multiply
64,782,938.13x = 97,174,406.58 × 21,652,141.46 - Step 4: Simplify right side
64,782,938.13x = 2,104,033,997,075,842.50 - Step 5: Solve for x
x = 2,104,033,997,075,842.50/64,782,938.13 - Step 6: Final answer
x = 32,478,211.98
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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.