Finding the Fourth Proportional to 240,524,539.53, 331,924,774.92 and 130,516,252.53
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Solution
The fourth proportional to 240,524,539.53, 331,924,774.92 and 130,516,252.53 is: 180,112,922.49
Step by Step Solution
- Step 1: Write the proportion equation
240,524,539.53 : 331,924,774.92 = 130,516,252.53 : x - Step 2: Convert to fraction form
240,524,539.53/331,924,774.92 = 130,516,252.53/x - Step 3: Cross multiply
240,524,539.53x = 331,924,774.92 × 130,516,252.53 - Step 4: Simplify right side
240,524,539.53x = 43,321,577,744,422,136 - Step 5: Solve for x
x = 43,321,577,744,422,136/240,524,539.53 - Step 6: Final answer
x = 180,112,922.49
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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.