Finding the Fourth Proportional to 70,761,193.50, 106,137,797.94 and 31,358,098.74
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Solution
The fourth proportional to 70,761,193.50, 106,137,797.94 and 31,358,098.74 is: 47,035,378.90
Step by Step Solution
- Step 1: Write the proportion equation
70,761,193.50 : 106,137,797.94 = 31,358,098.74 : x - Step 2: Convert to fraction form
70,761,193.50/106,137,797.94 = 31,358,098.74/x - Step 3: Cross multiply
70,761,193.50x = 106,137,797.94 × 31,358,098.74 - Step 4: Simplify right side
70,761,193.50x = 3,328,279,547,848,688.50 - Step 5: Solve for x
x = 3,328,279,547,848,688.50/70,761,193.50 - Step 6: Final answer
x = 47,035,378.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.