Finding the Fourth Proportional to 240,535,887.62, 331,939,525.28 and 130,527,600.62
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Solution
The fourth proportional to 240,535,887.62, 331,939,525.28 and 130,527,600.62 is: 180,128,089.05
Step by Step Solution
- Step 1: Write the proportion equation
240,535,887.62 : 331,939,525.28 = 130,527,600.62 : x - Step 2: Convert to fraction form
240,535,887.62/331,939,525.28 = 130,527,600.62/x - Step 3: Cross multiply
240,535,887.62x = 331,939,525.28 × 130,527,600.62 - Step 4: Simplify right side
240,535,887.62x = 43,327,269,783,427,896 - Step 5: Solve for x
x = 43,327,269,783,427,896/240,535,887.62 - Step 6: Final answer
x = 180,128,089.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.