Finding the Fourth Proportional to 122,354,809.70, 183,532,214.55 and 70,627,885.70
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Solution
The fourth proportional to 122,354,809.70, 183,532,214.55 and 70,627,885.70 is: 105,941,828.55
Step by Step Solution
- Step 1: Write the proportion equation
122,354,809.70 : 183,532,214.55 = 70,627,885.70 : x - Step 2: Convert to fraction form
122,354,809.70/183,532,214.55 = 70,627,885.70/x - Step 3: Cross multiply
122,354,809.70x = 183,532,214.55 × 70,627,885.70 - Step 4: Simplify right side
122,354,809.70x = 12,962,492,271,505,278 - Step 5: Solve for x
x = 12,962,492,271,505,278/122,354,809.70 - Step 6: Final answer
x = 105,941,828.55
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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.