Finding the Fourth Proportional to 182,415,830.10, 273,670,401.15 and 128,668,118.10
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Solution
The fourth proportional to 182,415,830.10, 273,670,401.15 and 128,668,118.10 is: 193,035,086.24
Step by Step Solution
- Step 1: Write the proportion equation
182,415,830.10 : 273,670,401.15 = 128,668,118.10 : x - Step 2: Convert to fraction form
182,415,830.10/273,670,401.15 = 128,668,118.10/x - Step 3: Cross multiply
182,415,830.10x = 273,670,401.15 × 128,668,118.10 - Step 4: Simplify right side
182,415,830.10x = 35,212,655,495,642,572 - Step 5: Solve for x
x = 35,212,655,495,642,572/182,415,830.10 - Step 6: Final answer
x = 193,035,086.24
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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.