Finding the Fourth Proportional to 70,481,266.56, 97,282,026.61 and 48,163,291.20
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Solution
The fourth proportional to 70,481,266.56, 97,282,026.61 and 48,163,291.20 is: 66,477,559.28
Step by Step Solution
- Step 1: Write the proportion equation
70,481,266.56 : 97,282,026.61 = 48,163,291.20 : x - Step 2: Convert to fraction form
70,481,266.56/97,282,026.61 = 48,163,291.20/x - Step 3: Cross multiply
70,481,266.56x = 97,282,026.61 × 48,163,291.20 - Step 4: Simplify right side
70,481,266.56x = 4,685,422,576,023,171 - Step 5: Solve for x
x = 4,685,422,576,023,171/70,481,266.56 - Step 6: Final answer
x = 66,477,559.28
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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.