Finding the Fourth Proportional to 270,594,102.72, 373,414,682.16 and 153,117,294.96
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Solution
The fourth proportional to 270,594,102.72, 373,414,682.16 and 153,117,294.96 is: 211,298,936.14
Step by Step Solution
- Step 1: Write the proportion equation
270,594,102.72 : 373,414,682.16 = 153,117,294.96 : x - Step 2: Convert to fraction form
270,594,102.72/373,414,682.16 = 153,117,294.96/x - Step 3: Cross multiply
270,594,102.72x = 373,414,682.16 × 153,117,294.96 - Step 4: Simplify right side
270,594,102.72x = 57,176,246,030,687,376 - Step 5: Solve for x
x = 57,176,246,030,687,376/270,594,102.72 - Step 6: Final answer
x = 211,298,936.14
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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.