Finding the Fourth Proportional to 159,276,629,973.11, 219,801,837,551.24 and 86,032,860,342.81
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Solution
The fourth proportional to 159,276,629,973.11, 219,801,837,551.24 and 86,032,860,342.81 is: 118,725,394,907.79
Step by Step Solution
- Step 1: Write the proportion equation
159,276,629,973.11 : 219,801,837,551.24 = 86,032,860,342.81 : x - Step 2: Convert to fraction form
159,276,629,973.11/219,801,837,551.24 = 86,032,860,342.81/x - Step 3: Cross multiply
159,276,629,973.11x = 219,801,837,551.24 × 86,032,860,342.81 - Step 4: Simplify right side
159,276,629,973.11x = 18,910,180,793,138,838,241,280 - Step 5: Solve for x
x = 18,910,180,793,138,838,241,280/159,276,629,973.11 - Step 6: Final answer
x = 118,725,394,907.79
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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.