Finding the Fourth Proportional to 141,754,266.05, 195,621,018.98 and 76,564,170.05
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Solution
The fourth proportional to 141,754,266.05, 195,621,018.98 and 76,564,170.05 is: 105,658,625.87
Step by Step Solution
- Step 1: Write the proportion equation
141,754,266.05 : 195,621,018.98 = 76,564,170.05 : x - Step 2: Convert to fraction form
141,754,266.05/195,621,018.98 = 76,564,170.05/x - Step 3: Cross multiply
141,754,266.05x = 195,621,018.98 × 76,564,170.05 - Step 4: Simplify right side
141,754,266.05x = 14,977,560,962,538,996 - Step 5: Solve for x
x = 14,977,560,962,538,996/141,754,266.05 - Step 6: Final answer
x = 105,658,625.87
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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.