Finding the Fourth Proportional to 70,961,417.38, 97,926,571.70 and 39,599,137.34
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Solution
The fourth proportional to 70,961,417.38, 97,926,571.70 and 39,599,137.34 is: 54,646,706.69
Step by Step Solution
- Step 1: Write the proportion equation
70,961,417.38 : 97,926,571.70 = 39,599,137.34 : x - Step 2: Convert to fraction form
70,961,417.38/97,926,571.70 = 39,599,137.34/x - Step 3: Cross multiply
70,961,417.38x = 97,926,571.70 × 39,599,137.34 - Step 4: Simplify right side
70,961,417.38x = 3,877,807,761,983,657.50 - Step 5: Solve for x
x = 3,877,807,761,983,657.50/70,961,417.38 - Step 6: Final answer
x = 54,646,706.69
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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.