Finding the Fourth Proportional to 214,912,815.53, 322,432,471.33 and 69,343,646.09
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Solution
The fourth proportional to 214,912,815.53, 322,432,471.33 and 69,343,646.09 is: 104,035,876.70
Step by Step Solution
- Step 1: Write the proportion equation
214,912,815.53 : 322,432,471.33 = 69,343,646.09 : x - Step 2: Convert to fraction form
214,912,815.53/322,432,471.33 = 69,343,646.09/x - Step 3: Cross multiply
214,912,815.53x = 322,432,471.33 × 69,343,646.09 - Step 4: Simplify right side
214,912,815.53x = 22,358,643,178,046,068 - Step 5: Solve for x
x = 22,358,643,178,046,068/214,912,815.53 - Step 6: Final answer
x = 104,035,876.70
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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.