Finding the Fourth Proportional to 230,138,605.68, 317,600,930.52 and 132,353,539.44
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Solution
The fourth proportional to 230,138,605.68, 317,600,930.52 and 132,353,539.44 is: 182,653,436.87
Step by Step Solution
- Step 1: Write the proportion equation
230,138,605.68 : 317,600,930.52 = 132,353,539.44 : x - Step 2: Convert to fraction form
230,138,605.68/317,600,930.52 = 132,353,539.44/x - Step 3: Cross multiply
230,138,605.68x = 317,600,930.52 × 132,353,539.44 - Step 4: Simplify right side
230,138,605.68x = 42,035,607,283,759,520 - Step 5: Solve for x
x = 42,035,607,283,759,520/230,138,605.68 - Step 6: Final answer
x = 182,653,436.87
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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.