Finding the Fourth Proportional to 235,485,306.36, 353,237,698.98 and 69,488,812.44
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Solution
The fourth proportional to 235,485,306.36, 353,237,698.98 and 69,488,812.44 is: 104,236,092.65
Step by Step Solution
- Step 1: Write the proportion equation
235,485,306.36 : 353,237,698.98 = 69,488,812.44 : x - Step 2: Convert to fraction form
235,485,306.36/353,237,698.98 = 69,488,812.44/x - Step 3: Cross multiply
235,485,306.36x = 353,237,698.98 × 69,488,812.44 - Step 4: Simplify right side
235,485,306.36x = 24,546,068,211,158,400 - Step 5: Solve for x
x = 24,546,068,211,158,400/235,485,306.36 - Step 6: Final answer
x = 104,236,092.65
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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.