Finding the Fourth Proportional to 156,985,074.19, 235,459,673.83 and 41,978,584.99
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Solution
The fourth proportional to 156,985,074.19, 235,459,673.83 and 41,978,584.99 is: 62,963,080.92
Step by Step Solution
- Step 1: Write the proportion equation
156,985,074.19 : 235,459,673.83 = 41,978,584.99 : x - Step 2: Convert to fraction form
156,985,074.19/235,459,673.83 = 41,978,584.99/x - Step 3: Cross multiply
156,985,074.19x = 235,459,673.83 × 41,978,584.99 - Step 4: Simplify right side
156,985,074.19x = 9,884,263,929,590,334 - Step 5: Solve for x
x = 9,884,263,929,590,334/156,985,074.19 - Step 6: Final answer
x = 62,963,080.92
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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.