Finding the Fourth Proportional to 86,922,090.67, 119,832,625.36 and 69,340,666.14
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Solution
The fourth proportional to 86,922,090.67, 119,832,625.36 and 69,340,666.14 is: 95,594,503.12
Step by Step Solution
- Step 1: Write the proportion equation
86,922,090.67 : 119,832,625.36 = 69,340,666.14 : x - Step 2: Convert to fraction form
86,922,090.67/119,832,625.36 = 69,340,666.14/x - Step 3: Cross multiply
86,922,090.67x = 119,832,625.36 × 69,340,666.14 - Step 4: Simplify right side
86,922,090.67x = 8,309,274,067,767,457 - Step 5: Solve for x
x = 8,309,274,067,767,457/86,922,090.67 - Step 6: Final answer
x = 95,594,503.12
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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.