Finding the Fourth Proportional to 97,534,771.84, 134,467,776.97 and 77,484,297.53
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Solution
The fourth proportional to 97,534,771.84, 134,467,776.97 and 77,484,297.53 is: 106,824,889.66
Step by Step Solution
- Step 1: Write the proportion equation
97,534,771.84 : 134,467,776.97 = 77,484,297.53 : x - Step 2: Convert to fraction form
97,534,771.84/134,467,776.97 = 77,484,297.53/x - Step 3: Cross multiply
97,534,771.84x = 134,467,776.97 × 77,484,297.53 - Step 4: Simplify right side
97,534,771.84x = 10,419,141,239,060,882 - Step 5: Solve for x
x = 10,419,141,239,060,882/97,534,771.84 - Step 6: Final answer
x = 106,824,889.66
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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.