Finding the Fourth Proportional to 49,736,220.55, 68,589,428.67 and 39,307,151.51
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Solution
The fourth proportional to 49,736,220.55, 68,589,428.67 and 39,307,151.51 is: 54,207,075.55
Step by Step Solution
- Step 1: Write the proportion equation
49,736,220.55 : 68,589,428.67 = 39,307,151.51 : x - Step 2: Convert to fraction form
49,736,220.55/68,589,428.67 = 39,307,151.51/x - Step 3: Cross multiply
49,736,220.55x = 68,589,428.67 × 39,307,151.51 - Step 4: Simplify right side
49,736,220.55x = 2,696,055,064,630,291 - Step 5: Solve for x
x = 2,696,055,064,630,291/49,736,220.55 - Step 6: Final answer
x = 54,207,075.55
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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.