Finding the Fourth Proportional to 258,028,656.21, 356,068,059.09 and 150,747,922.26
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Solution
The fourth proportional to 258,028,656.21, 356,068,059.09 and 150,747,922.26 is: 208,025,421.98
Step by Step Solution
- Step 1: Write the proportion equation
258,028,656.21 : 356,068,059.09 = 150,747,922.26 : x - Step 2: Convert to fraction form
258,028,656.21/356,068,059.09 = 150,747,922.26/x - Step 3: Cross multiply
258,028,656.21x = 356,068,059.09 × 150,747,922.26 - Step 4: Simplify right side
258,028,656.21x = 53,676,520,090,968,400 - Step 5: Solve for x
x = 53,676,520,090,968,400/258,028,656.21 - Step 6: Final answer
x = 208,025,421.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.