Finding the Fourth Proportional to 104,177,420.47, 143,767,479.99 and 57,136,366.87
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Solution
The fourth proportional to 104,177,420.47, 143,767,479.99 and 57,136,366.87 is: 78,849,634.05
Step by Step Solution
- Step 1: Write the proportion equation
104,177,420.47 : 143,767,479.99 = 57,136,366.87 : x - Step 2: Convert to fraction form
104,177,420.47/143,767,479.99 = 57,136,366.87/x - Step 3: Cross multiply
104,177,420.47x = 143,767,479.99 × 57,136,366.87 - Step 4: Simplify right side
104,177,420.47x = 8,214,351,479,679,506 - Step 5: Solve for x
x = 8,214,351,479,679,506/104,177,420.47 - Step 6: Final answer
x = 78,849,634.05
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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.