Finding the Fourth Proportional to 121,872,948.21, 168,184,650.26 and 69,663,104.88
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Solution
The fourth proportional to 121,872,948.21, 168,184,650.26 and 69,663,104.88 is: 96,135,074.29
Step by Step Solution
- Step 1: Write the proportion equation
121,872,948.21 : 168,184,650.26 = 69,663,104.88 : x - Step 2: Convert to fraction form
121,872,948.21/168,184,650.26 = 69,663,104.88/x - Step 3: Cross multiply
121,872,948.21x = 168,184,650.26 × 69,663,104.88 - Step 4: Simplify right side
121,872,948.21x = 11,716,264,930,268,498 - Step 5: Solve for x
x = 11,716,264,930,268,498/121,872,948.21 - Step 6: Final answer
x = 96,135,074.29
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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.