Finding the Fourth Proportional to 132,866,317.78, 199,281,979.08 and 39,491,295.95
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Solution
The fourth proportional to 132,866,317.78, 199,281,979.08 and 39,491,295.95 is: 59,231,743.19
Step by Step Solution
- Step 1: Write the proportion equation
132,866,317.78 : 199,281,979.08 = 39,491,295.95 : x - Step 2: Convert to fraction form
132,866,317.78/199,281,979.08 = 39,491,295.95/x - Step 3: Cross multiply
132,866,317.78x = 199,281,979.08 × 39,491,295.95 - Step 4: Simplify right side
132,866,317.78x = 7,869,903,613,848,194 - Step 5: Solve for x
x = 7,869,903,613,848,194/132,866,317.78 - Step 6: Final answer
x = 59,231,743.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.