Finding the Fourth Proportional to 86,037,431.87, 118,731,672.87 and 46,879,208.51
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Solution
The fourth proportional to 86,037,431.87, 118,731,672.87 and 46,879,208.51 is: 64,693,316.95
Step by Step Solution
- Step 1: Write the proportion equation
86,037,431.87 : 118,731,672.87 = 46,879,208.51 : x - Step 2: Convert to fraction form
86,037,431.87/118,731,672.87 = 46,879,208.51/x - Step 3: Cross multiply
86,037,431.87x = 118,731,672.87 × 46,879,208.51 - Step 4: Simplify right side
86,037,431.87x = 5,566,046,849,375,711 - Step 5: Solve for x
x = 5,566,046,849,375,711/86,037,431.87 - Step 6: Final answer
x = 64,693,316.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.