Finding the Fourth Proportional to 121,205,478.29, 167,264,070.85 and 68,282,820.92
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Solution
The fourth proportional to 121,205,478.29, 167,264,070.85 and 68,282,820.92 is: 94,230,580.63
Step by Step Solution
- Step 1: Write the proportion equation
121,205,478.29 : 167,264,070.85 = 68,282,820.92 : x - Step 2: Convert to fraction form
121,205,478.29/167,264,070.85 = 68,282,820.92/x - Step 3: Cross multiply
121,205,478.29x = 167,264,070.85 × 68,282,820.92 - Step 4: Simplify right side
121,205,478.29x = 11,421,262,595,023,008 - Step 5: Solve for x
x = 11,421,262,595,023,008/121,205,478.29 - Step 6: Final answer
x = 94,230,580.63
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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.