Finding the Fourth Proportional to 145,759,747.08, 201,149,789.39 and 83,034,915.42
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Solution
The fourth proportional to 145,759,747.08, 201,149,789.39 and 83,034,915.42 is: 114,588,945.74
Step by Step Solution
- Step 1: Write the proportion equation
145,759,747.08 : 201,149,789.39 = 83,034,915.42 : x - Step 2: Convert to fraction form
145,759,747.08/201,149,789.39 = 83,034,915.42/x - Step 3: Cross multiply
145,759,747.08x = 201,149,789.39 × 83,034,915.42 - Step 4: Simplify right side
145,759,747.08x = 16,702,455,748,749,462 - Step 5: Solve for x
x = 16,702,455,748,749,462/145,759,747.08 - Step 6: Final answer
x = 114,588,945.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.