Finding the Fourth Proportional to 201,854,290.08, 278,559,042.36 and 109,034,838.93
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Solution
The fourth proportional to 201,854,290.08, 278,559,042.36 and 109,034,838.93 is: 150,468,143.65
Step by Step Solution
- Step 1: Write the proportion equation
201,854,290.08 : 278,559,042.36 = 109,034,838.93 : x - Step 2: Convert to fraction form
201,854,290.08/278,559,042.36 = 109,034,838.93/x - Step 3: Cross multiply
201,854,290.08x = 278,559,042.36 × 109,034,838.93 - Step 4: Simplify right side
201,854,290.08x = 30,372,640,316,217,652 - Step 5: Solve for x
x = 30,372,640,316,217,652/201,854,290.08 - Step 6: Final answer
x = 150,468,143.65
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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.