Finding the Fourth Proportional to 68,059,203,648.68, 93,929,937,133.77 and 38,735,744,603.92
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Solution
The fourth proportional to 68,059,203,648.68, 93,929,937,133.77 and 38,735,744,603.92 is: 53,460,015,110.62
Step by Step Solution
- Step 1: Write the proportion equation
68,059,203,648.68 : 93,929,937,133.77 = 38,735,744,603.92 : x - Step 2: Convert to fraction form
68,059,203,648.68/93,929,937,133.77 = 38,735,744,603.92/x - Step 3: Cross multiply
68,059,203,648.68x = 93,929,937,133.77 × 38,735,744,603.92 - Step 4: Simplify right side
68,059,203,648.68x = 3,638,446,055,475,600,424,960 - Step 5: Solve for x
x = 3,638,446,055,475,600,424,960/68,059,203,648.68 - Step 6: Final answer
x = 53,460,015,110.62
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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.