Finding the Fourth Proportional to 134,012,605.30, 201,018,907.95 and 120,407,715.70
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Solution
The fourth proportional to 134,012,605.30, 201,018,907.95 and 120,407,715.70 is: 180,611,573.55
Step by Step Solution
- Step 1: Write the proportion equation
134,012,605.30 : 201,018,907.95 = 120,407,715.70 : x - Step 2: Convert to fraction form
134,012,605.30/201,018,907.95 = 120,407,715.70/x - Step 3: Cross multiply
134,012,605.30x = 201,018,907.95 × 120,407,715.70 - Step 4: Simplify right side
134,012,605.30x = 24,204,227,518,768,068 - Step 5: Solve for x
x = 24,204,227,518,768,068/134,012,605.30 - Step 6: Final answer
x = 180,611,573.55
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1.5x scale
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.