Finding the Fourth Proportional to 105,251,801.24, 157,865,641.92 and 27,536,207.80
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Solution
The fourth proportional to 105,251,801.24, 157,865,641.92 and 27,536,207.80 is: 41,301,156.55
Step by Step Solution
- Step 1: Write the proportion equation
105,251,801.24 : 157,865,641.92 = 27,536,207.80 : x - Step 2: Convert to fraction form
105,251,801.24/157,865,641.92 = 27,536,207.80/x - Step 3: Cross multiply
105,251,801.24x = 157,865,641.92 × 27,536,207.80 - Step 4: Simplify right side
105,251,801.24x = 4,347,021,120,389,510.50 - Step 5: Solve for x
x = 4,347,021,120,389,510.50/105,251,801.24 - Step 6: Final answer
x = 41,301,156.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.