Finding the Fourth Proportional to 51,917,191.84, 71,637,765.42 and 29,886,432.76
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Solution
The fourth proportional to 51,917,191.84, 71,637,765.42 and 29,886,432.76 is: 41,238,695.38
Step by Step Solution
- Step 1: Write the proportion equation
51,917,191.84 : 71,637,765.42 = 29,886,432.76 : x - Step 2: Convert to fraction form
51,917,191.84/71,637,765.42 = 29,886,432.76/x - Step 3: Cross multiply
51,917,191.84x = 71,637,765.42 × 29,886,432.76 - Step 4: Simplify right side
51,917,191.84x = 2,140,997,259,301,483.25 - Step 5: Solve for x
x = 2,140,997,259,301,483.25/51,917,191.84 - Step 6: Final answer
x = 41,238,695.38
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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.