Finding the Fourth Proportional to 51,411,187.65, 70,947,438.93 and 29,385,159.99
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Solution
The fourth proportional to 51,411,187.65, 70,947,438.93 and 29,385,159.99 is: 40,551,520.77
Step by Step Solution
- Step 1: Write the proportion equation
51,411,187.65 : 70,947,438.93 = 29,385,159.99 : x - Step 2: Convert to fraction form
51,411,187.65/70,947,438.93 = 29,385,159.99/x - Step 3: Cross multiply
51,411,187.65x = 70,947,438.93 × 29,385,159.99 - Step 4: Simplify right side
51,411,187.65x = 2,084,801,843,838,804.50 - Step 5: Solve for x
x = 2,084,801,843,838,804.50/51,411,187.65 - Step 6: Final answer
x = 40,551,520.77
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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.