Finding the Fourth Proportional to 70,579,049.08, 97,394,817.99 and 39,216,025.66
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Solution
The fourth proportional to 70,579,049.08, 97,394,817.99 and 39,216,025.66 is: 54,115,743.01
Step by Step Solution
- Step 1: Write the proportion equation
70,579,049.08 : 97,394,817.99 = 39,216,025.66 : x - Step 2: Convert to fraction form
70,579,049.08/97,394,817.99 = 39,216,025.66/x - Step 3: Cross multiply
70,579,049.08x = 97,394,817.99 × 39,216,025.66 - Step 4: Simplify right side
70,579,049.08x = 3,819,437,681,532,960.50 - Step 5: Solve for x
x = 3,819,437,681,532,960.50/70,579,049.08 - Step 6: Final answer
x = 54,115,743.01
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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.