Finding the Fourth Proportional to 103,552,014.90, 155,328,022.35 and 101,536,475.70
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Solution
The fourth proportional to 103,552,014.90, 155,328,022.35 and 101,536,475.70 is: 152,304,713.55
Step by Step Solution
- Step 1: Write the proportion equation
103,552,014.90 : 155,328,022.35 = 101,536,475.70 : x - Step 2: Convert to fraction form
103,552,014.90/155,328,022.35 = 101,536,475.70/x - Step 3: Cross multiply
103,552,014.90x = 155,328,022.35 × 101,536,475.70 - Step 4: Simplify right side
103,552,014.90x = 15,771,459,966,869,832 - Step 5: Solve for x
x = 15,771,459,966,869,832/103,552,014.90 - Step 6: Final answer
x = 152,304,713.55
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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.