Finding the Fourth Proportional to 92,961,458.28, 139,459,212.65 and 38,344,249.49
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Solution
The fourth proportional to 92,961,458.28, 139,459,212.65 and 38,344,249.49 is: 57,523,396.70
Step by Step Solution
- Step 1: Write the proportion equation
92,961,458.28 : 139,459,212.65 = 38,344,249.49 : x - Step 2: Convert to fraction form
92,961,458.28/139,459,212.65 = 38,344,249.49/x - Step 3: Cross multiply
92,961,458.28x = 139,459,212.65 × 38,344,249.49 - Step 4: Simplify right side
92,961,458.28x = 5,347,458,842,641,547 - Step 5: Solve for x
x = 5,347,458,842,641,547/92,961,458.28 - Step 6: Final answer
x = 57,523,396.70
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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.