Finding the Fourth Proportional to 159,276,629,810.99, 219,801,837,327.30 and 86,032,860,180.48
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Solution
The fourth proportional to 159,276,629,810.99, 219,801,837,327.30 and 86,032,860,180.48 is: 118,725,394,683.66
Step by Step Solution
- Step 1: Write the proportion equation
159,276,629,810.99 : 219,801,837,327.30 = 86,032,860,180.48 : x - Step 2: Convert to fraction form
159,276,629,810.99/219,801,837,327.30 = 86,032,860,180.48/x - Step 3: Cross multiply
159,276,629,810.99x = 219,801,837,327.30 × 86,032,860,180.48 - Step 4: Simplify right side
159,276,629,810.99x = 18,910,180,738,192,210,132,992 - Step 5: Solve for x
x = 18,910,180,738,192,210,132,992/159,276,629,810.99 - Step 6: Final answer
x = 118,725,394,683.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.