Finding the Fourth Proportional to 214,407,779.67, 321,454,876.19 and 68,758,434.81
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Solution
The fourth proportional to 214,407,779.67, 321,454,876.19 and 68,758,434.81 is: 103,087,370.16
Step by Step Solution
- Step 1: Write the proportion equation
214,407,779.67 : 321,454,876.19 = 68,758,434.81 : x - Step 2: Convert to fraction form
214,407,779.67/321,454,876.19 = 68,758,434.81/x - Step 3: Cross multiply
214,407,779.67x = 321,454,876.19 × 68,758,434.81 - Step 4: Simplify right side
214,407,779.67x = 22,102,734,148,522,944 - Step 5: Solve for x
x = 22,102,734,148,522,944/214,407,779.67 - Step 6: Final answer
x = 103,087,370.16
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.