Finding the Fourth Proportional to 88,298,453.77, 121,850,675.99 and 49,140,220.13
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Solution
The fourth proportional to 88,298,453.77, 121,850,675.99 and 49,140,220.13 is: 67,812,841.40
Step by Step Solution
- Step 1: Write the proportion equation
88,298,453.77 : 121,850,675.99 = 49,140,220.13 : x - Step 2: Convert to fraction form
88,298,453.77/121,850,675.99 = 49,140,220.13/x - Step 3: Cross multiply
88,298,453.77x = 121,850,675.99 × 49,140,220.13 - Step 4: Simplify right side
88,298,453.77x = 5,987,769,041,565,383 - Step 5: Solve for x
x = 5,987,769,041,565,383/88,298,453.77 - Step 6: Final answer
x = 67,812,841.40
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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.