Finding the Fourth Proportional to 75,390,852.52, 104,043,820.56 and 56,773,145.68
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Solution
The fourth proportional to 75,390,852.52, 104,043,820.56 and 56,773,145.68 is: 78,350,287.67
Step by Step Solution
- Step 1: Write the proportion equation
75,390,852.52 : 104,043,820.56 = 56,773,145.68 : x - Step 2: Convert to fraction form
75,390,852.52/104,043,820.56 = 56,773,145.68/x - Step 3: Cross multiply
75,390,852.52x = 104,043,820.56 × 56,773,145.68 - Step 4: Simplify right side
75,390,852.52x = 5,906,894,982,188,530 - Step 5: Solve for x
x = 5,906,894,982,188,530/75,390,852.52 - Step 6: Final answer
x = 78,350,287.67
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.