Finding the Fourth Proportional to 103,750,943.84, 143,193,720.24 and 70,245,228.96
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Solution
The fourth proportional to 103,750,943.84, 143,193,720.24 and 70,245,228.96 is: 96,950,208.76
Step by Step Solution
- Step 1: Write the proportion equation
103,750,943.84 : 143,193,720.24 = 70,245,228.96 : x - Step 2: Convert to fraction form
103,750,943.84/143,193,720.24 = 70,245,228.96/x - Step 3: Cross multiply
103,750,943.84x = 143,193,720.24 × 70,245,228.96 - Step 4: Simplify right side
103,750,943.84x = 10,058,675,663,892,986 - Step 5: Solve for x
x = 10,058,675,663,892,986/103,750,943.84 - Step 6: Final answer
x = 96,950,208.76
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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.