Finding the Fourth Proportional to 203,068,640.37, 280,497,594.47 and 167,928,386.68
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Solution
The fourth proportional to 203,068,640.37, 280,497,594.47 and 167,928,386.68 is: 231,958,555.59
Step by Step Solution
- Step 1: Write the proportion equation
203,068,640.37 : 280,497,594.47 = 167,928,386.68 : x - Step 2: Convert to fraction form
203,068,640.37/280,497,594.47 = 167,928,386.68/x - Step 3: Cross multiply
203,068,640.37x = 280,497,594.47 × 167,928,386.68 - Step 4: Simplify right side
203,068,640.37x = 47,103,508,506,370,864 - Step 5: Solve for x
x = 47,103,508,506,370,864/203,068,640.37 - Step 6: Final answer
x = 231,958,555.59
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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.