Finding the Fourth Proportional to 59,918,713.96, 82,370,408.24 and 51,515,124.64
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Solution
The fourth proportional to 59,918,713.96, 82,370,408.24 and 51,515,124.64 is: 70,817,972.66
Step by Step Solution
- Step 1: Write the proportion equation
59,918,713.96 : 82,370,408.24 = 51,515,124.64 : x - Step 2: Convert to fraction form
59,918,713.96/82,370,408.24 = 51,515,124.64/x - Step 3: Cross multiply
59,918,713.96x = 82,370,408.24 × 51,515,124.64 - Step 4: Simplify right side
59,918,713.96x = 4,243,321,847,131,283 - Step 5: Solve for x
x = 4,243,321,847,131,283/59,918,713.96 - Step 6: Final answer
x = 70,817,972.66
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.