Finding the Fourth Proportional to 253,436,718, 349,742,670.84 and 137,543,214
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Solution
The fourth proportional to 253,436,718, 349,742,670.84 and 137,543,214 is: 189,809,635.32
Step by Step Solution
- Step 1: Write the proportion equation
253,436,718 : 349,742,670.84 = 137,543,214 : x - Step 2: Convert to fraction form
253,436,718/349,742,670.84 = 137,543,214/x - Step 3: Cross multiply
253,436,718x = 349,742,670.84 × 137,543,214 - Step 4: Simplify right side
253,436,718x = 48,104,731,020,277,680 - Step 5: Solve for x
x = 48,104,731,020,277,680/253,436,718 - Step 6: Final answer
x = 189,809,635.32
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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.